Slide locking design: these gem tweezers feature a slide locking tension bar, which is easy to be applied by simply moving it forward on the guide; This will apply tension, hold and lock the pieceQuality material: the jewelry tweezers are made of stainless steel, durable and sturdy, not easy to break or get rusty, which can be served for a long time, and bring you a nice using experiencePractical design: this stainless steel slide locking diamond tweezers has fine serrated tips for working with gemstones and other small items; Slide the locking mechanism to apply even pressure to hold an item, and the gem slot help hold the jewelry stableWide application: the locking tweezers will help you keep the diamond or gemstone stay put, you can use them when making jewelry, designing jewelry, watch repair or jewelry repair, suitable for quality control and inspection of a wide range of productsWhat will receive: the package comes with 3 pieces of precision tweezers in stainless steel color, 1pc claw pick up tool,suitable size provides more convenience for easy handling and nice control