Description This stone carving toolset is made of premium material, which can withstand long-lasting use. Features the adamasandalloymaterial, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This stone carving tool set will make the repair and fix easier and smoother. Features -Color:Silver-Material:Adamas, alloy-Size:4.50X0.50X0.50cm/1.77X0.20X0.20in- This grinding file is made of high grade adamas particles and alloy mandrel.- Contains grinding bits to meet your daily needs, multi-shape, suitable for grinding and engraving.- Suitable for grinding and engraving of stone, ceramics, glass, hard alloy, ceramic tile, marble, jewelry, rock, etc.- If you're a DIY enthusiast or hobby and craft fan give your rotary tool even more functionality with this rotary file set.- Every detail is carefully crafted, so you experience the high durability and practicality.Packing list: 20 x bits Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia