20PCSLocking Pin, Backs LockingPin,Keepers Clasp,Flat Head clamp,Needle Back Loc

Product Dimensions: 0.39 X 0.39 X 0.2 Inches Item Weight: 1.13 Ounces Color: B Material: Copper Item Dimensions L X W X H: 0.39 X 0.39 X 0.2 Inches Number Of Pieces: 20 Advanced materials- These pin back lock buckles are made of high-quality nickel plated copper and strong. They can lock the needle firmly to keep it safe and prevent it from falling off or losing Easy to use- No tools are needed. The spring type latch design is convenient for locking and disassembling. When using, just push the base to lock and fix, and pull to release the lock and remove it. The needle back lock can be replaced at any time Wide scope of application- these metal needle backs are suitable for brooches, pins, badges, reference strips, name tags, enamel needles, lanyards, bags, vests, hats, collectibles, jewelry making and DIY crafts Small size- 20PCS rear lock pin, each about 0.39 inch in diameter, suitable for most cases, compact and convenient, with a box for storage, easy to store and carry Delicate Design- The pin back match for most metal pin; pin backs provides good grip of pin to keep it stay in place; Its firm and protective grip assures that you will never lose another pin