Item Type: Saw Chuck Adapter Kit_x000D_ Material: Iron_x000D_ Weight: Approx. 135g / 4.8oz_x000D_ Purpose: Polishing, cutting, grinding, conversion 1Adopts high?quality iron material with high hardness, durability and corrosion resistance. 2The conversion rod can be installed on the drill bit to polish and cut ceramic tiles, glass, wood, metal, etc. 3Suitable for all kinds of mold surface and cavity processing, polishing, jewelry and handicrafts. 4Triangular shank design, can be firmly fixed in the drill chuck for easy operation. 5Perfect for complex ultra-fine grinding, engraving, polishing, cutting, conversion, etc.1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1 x Fixed Wrench 1 x Hex Wrench 1 x Conversion Rod 2 x Round Accessory