DescriptionThere are mini electric grinder bits, enough for you to use, they can help you to make kinds of crafts without breaking the wood and bring you smooth finished effect.You can also share them with your friends or family members, they will like them. They are one of the best choices for your DIY. Can be used on stone, glass, metal, hardwood, tile, ceramics, marble, granite and other hard materials.Features- Color: Silver. - Material: Diamond. - Size: 5.50X1.30X1.30cm/2.16X0.51X0.51inch. - It saves space and is easy to store, which will not take up much space. - It is made of high-quality and sturdy materials and has a long service life. - Can be used on stone, glass, metal, hardwood, tile, ceramics, marble, granite and other hard materials. - Used for sculpturing, dressing, precision grinding and internal grinding carbide. - Convenient to engrave, high working efficiency, perfect grinding effect.