{"product_id":"mastercool-3-8-spring-bender-for-soft-copper","title":"Mastercool 70073 Spring-Style Tube Bender 3\/8\" O.D. 10\" Length","description":"\u003ch3\u003eEconomical Spring-Style Tube Bender: Kink-Free Bending for 3\/8\" Tubing\u003c\/h3\u003e\u003cp\u003eThe Mastercool 70073 spring-style tube bender is an economical and effective tool for bending 3\/8\" O.D. soft copper or aluminium tubing without kinks. Made from special nickel-plated spring steel and flared on one end for quick tube insertion, this simple yet effective tool delivers professional kink-free bends at a fraction of the cost of mechanical benders.\u003c\/p\u003e\u003ch4\u003eSpring Steel Design: Simple, Effective, Kink-Free\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003espring steel construction\u003c\/strong\u003e provides external support during bending, preventing the tubing from collapsing or kinking. As you bend the tubing, the spring distributes the bending force evenly around the tube's circumference, maintaining a smooth, round cross-section throughout the bend. This simple mechanical principle delivers professional results without complex mechanisms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Matters:\u003c\/strong\u003e Kinked tubing restricts flow and creates weak points that can fail. The spring bender's external support prevents kinking, ensuring smooth bends that maintain full flow capacity and structural integrity.\u003c\/p\u003e\u003ch4\u003eNickel-Plated for Durability and Smooth Operation\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003enickel-plated finish\u003c\/strong\u003e provides corrosion resistance and a smooth surface that slides easily over tubing. The plating protects the spring steel from rust and oxidation, ensuring long service life even in damp workshop environments.\u003c\/p\u003e\u003ch4\u003eFlared End for Quick Tube Insertion\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003eflared end\u003c\/strong\u003e makes tube insertion quick and easy. Simply slide the tubing into the flared opening — no struggling to thread tubing through a tight spring. This design feature saves time on every bend and makes the tool easier to use, especially when working with longer tubing sections.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Steel Construction\u003c\/strong\u003e — Prevents kinking during bending\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel-Plated Finish\u003c\/strong\u003e — Corrosion-resistant, smooth operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlared End\u003c\/strong\u003e — Quick, easy tube insertion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8\" O.D. Size\u003c\/strong\u003e — For 3\/8\" soft copper or aluminium tubing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10\" Length\u003c\/strong\u003e — Adequate coverage for most bends\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEconomical\u003c\/strong\u003e — Cost-effective alternative to mechanical benders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight\u003c\/strong\u003e — Easy to carry and use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Moving Parts\u003c\/strong\u003e — Simple, reliable design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eModel: 70073\u003c\/li\u003e\n\u003cli\u003eTube Size: 3\/8\" O.D.\u003c\/li\u003e\n\u003cli\u003eLength: 10\" (254mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Spring steel, nickel-plated\u003c\/li\u003e\n\u003cli\u003eEnd Design: Flared for easy insertion\u003c\/li\u003e\n\u003cli\u003eTubing Type: Soft copper, aluminium, and similar materials\u003c\/li\u003e\n\u003cli\u003eOperation: Manual, hand-operated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eComplete Spring Bender Range\u003c\/h4\u003e\u003cp\u003eThe 70073 is part of Mastercool's complete spring-style tube bender range:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e70071\u003c\/strong\u003e: 1\/4\" O.D., 10\" length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70072\u003c\/strong\u003e: 5\/16\" O.D., 10\" length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70073\u003c\/strong\u003e: 3\/8\" O.D., 10\" length (this model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70074\u003c\/strong\u003e: 1\/2\" O.D., 12\" length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70075\u003c\/strong\u003e: 5\/8\" O.D., 14\" length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70077\u003c\/strong\u003e: 3\/4\" O.D., 14\" length\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Each spring bender is sized for one specific tube diameter. Choose the model that matches your tubing O.D.\u003c\/p\u003e\u003ch4\u003ePerfect For\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHVAC technicians bending refrigeration suction lines\u003c\/li\u003e\n\u003cli\u003ePlumbers working with 3\/8\" soft copper tubing\u003c\/li\u003e\n\u003cli\u003eAutomotive applications requiring tube bends\u003c\/li\u003e\n\u003cli\u003eHobbyists and DIY projects\u003c\/li\u003e\n\u003cli\u003eMobile service operations requiring lightweight tools\u003c\/li\u003e\n\u003cli\u003eBudget-conscious professionals needing economical bending solutions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eHow to Use Spring-Style Tube Benders\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect Correct Size\u003c\/strong\u003e — Use 70073 for 3\/8\" O.D. tubing only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Tubing\u003c\/strong\u003e — Slide tubing through the flared end of the spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition Spring\u003c\/strong\u003e — Centre the spring over the intended bend location\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBend Tubing\u003c\/strong\u003e — Slowly bend the tubing to the desired angle. The spring prevents kinking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Spring\u003c\/strong\u003e — Slide the spring off the tubing after completing the bend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect Bend\u003c\/strong\u003e — Check for smooth, kink-free bend\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch4\u003eTips for Perfect Spring Bends\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse Soft (Annealed) Tubing\u003c\/strong\u003e — Hard-drawn tubing is difficult to bend and may crack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentre the Spring\u003c\/strong\u003e — Position spring over the bend point for best support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBend Gradually\u003c\/strong\u003e — Slow, steady bending prevents kinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDon't Over-Bend\u003c\/strong\u003e — Bend to the desired angle, then stop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport Long Sections\u003c\/strong\u003e — Support tubing to prevent twisting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Tubing First\u003c\/strong\u003e — Remove dirt and oil for smooth spring operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpring Benders vs Mechanical Benders\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eSpring Benders (70073):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEconomical — Low cost\u003c\/li\u003e\n\u003cli\u003eLightweight and portable\u003c\/li\u003e\n\u003cli\u003eSimple to use — No setup required\u003c\/li\u003e\n\u003cli\u003eNo moving parts to wear out\u003c\/li\u003e\n\u003cli\u003eIdeal for occasional use\u003c\/li\u003e\n\u003cli\u003eBest for smaller diameter tubing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMechanical Benders (70070, etc.):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMore expensive\u003c\/li\u003e\n\u003cli\u003eHeavier, more complex\u003c\/li\u003e\n\u003cli\u003eRequire setup and adjustment\u003c\/li\u003e\n\u003cli\u003eMore precise bend control\u003c\/li\u003e\n\u003cli\u003eBetter for frequent use\u003c\/li\u003e\n\u003cli\u003eHandle larger diameter tubing better\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhen to Choose Spring Benders\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBudget-Conscious\u003c\/strong\u003e — Economical alternative to mechanical benders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOccasional Use\u003c\/strong\u003e — Don't need expensive tools for infrequent bending\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall to Medium Diameter Tubing\u003c\/strong\u003e — Spring benders work well on 1\/4\" to 3\/4\" tubing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Bends\u003c\/strong\u003e — No need for precise angle control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable Work\u003c\/strong\u003e — Lightweight, easy to carry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Jobs\u003c\/strong\u003e — No setup time required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCommon Mistakes to Avoid\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrong Size Spring\u003c\/strong\u003e — Always match spring size to tubing O.D.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBending Hard-Drawn Tubing\u003c\/strong\u003e — Use annealed (soft) tubing only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Not Centred\u003c\/strong\u003e — Position spring over bend point for best support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBending Too Fast\u003c\/strong\u003e — Gradual bending prevents kinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForcing the Bend\u003c\/strong\u003e — If tubing resists, it may be too hard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhy Choose the Mastercool 70073?\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEconomical\u003c\/strong\u003e — Cost-effective kink-free bending\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective\u003c\/strong\u003e — Simple design that works\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel-Plated\u003c\/strong\u003e — Corrosion-resistant, long-lasting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlared End\u003c\/strong\u003e — Easy tube insertion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight\u003c\/strong\u003e — Portable and easy to use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Maintenance\u003c\/strong\u003e — No moving parts to wear out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Results\u003c\/strong\u003e — Kink-free bends every time\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eThe Economical Solution for Kink-Free Bending\u003c\/h4\u003e\u003cp\u003eThe Mastercool 70073 spring-style tube bender is the economical solution for kink-free bending of 3\/8\" O.D. soft copper or aluminium tubing. With its nickel-plated spring steel construction, flared end for easy insertion, and simple yet effective design, this tool delivers professional results without the cost and complexity of mechanical benders. Perfect for occasional use, mobile work, or budget-conscious professionals — this is the simple tool that just works.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEconomical. Effective. Kink-free bending for 3\/8\" tubing. Nickel-plated spring steel with flared end.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57163763351929,"sku":"70073","price":2.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/70073.jpg?v=1777441637","url":"https:\/\/www.airconspares.com\/products\/mastercool-3-8-spring-bender-for-soft-copper","provider":"Airconspares.com","version":"1.0","type":"link"}