Versatile Bending Tool:The Ring Bender Is Durable, And The Dies Come In A Variety Of Sizes To Fit Different Ring And Earring Designs. Includes Six Matching Precision Metal Dies In Sizes 12, 14, 16, 18, 20, And 22mm, 60-Degree And 90-Degree Angle Blocks, And A Practical And Organized Matching Base. Not Only Can You Use It To Make Rings And Earrings Precision Tools For Soft Metals:The Ring Bending Tool Kit Is Designed To Bend Soft Metals Such As Silver, Copper, And Aluminium (≤3 Mm) With Accuracy. The Nylon Dies Protect Delicate Materials From Scratches During Shaping. Tips For Ring Bender:Regarding The Hardness Of The Metal, We Recommend This Ring Maker For Soft Metals Or Light Metals Less Than 3 Mm Thick. And You Can Also Use This Machine To Make Spoon Rings. We Offer Screws For You To Fix Ring Bender To Workbench. Superior Performance:The Ring Bender Is Made Of Solid Steel Which Has Been Hardened To 45-50 Hrc. Each Steel Pin And Die Are Black Oxidized And There Is No Risk Of Corrosion Throughout Its Service Life. The Base And Handle Provide High Torque And Allow Users To Perform Less Resistance When Bending Metals. Metal Ring Bender:This Set Of Ring Bending Tools Is A Practical Jewelry Making Tool That Can Easily Bend Earrings, Rings, And Other Metal Parts Into The Shape You Want. Even Beginners Can Easily Control It.