Description Designed for forming and grinding, it can be applied on glass, tile, stone, and etc. Made of premium material for long time and durable use. It has a simple design, but very practical in use, giving you a good using experience. Also can be a good gift choice for your friends, they will like it. Features -Color:Assorted Color-Material:Copper, emery-Size:3.20X2.80X2.80cm/1.26X1.10X1.10in- Made of high grade emery and copper, durable and long lasting.- Chromium plated and hardened to improve performance, strength and durability, and to prevent damage.- Comes with wrench, this grinder bit is easy to use and easy to install.- It is suitable for forming of various glass, tile, stone and similar materials.- Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one.Packing list: 1 x glass grinder bit1 x wrench