Fangrui Product Details 1. Dedicated To Convert The Angle Grinder Into A Hand Electric Drill, Realizing One Machine For Multiple Purposes. 2. Made Of High-carbon Steel, High Hardness, Anti-rust, High Toughness, High Torque And Durability. 3. Three-jaw Chuck For Firm Clamping, Suitable For 100mm Angle Grinder 4. High-speed Rotating, To Grind, Cut, And Polish Metal Components. 5. Applicable For Drilling Glass, Metal, Stone, Tile Etc. Materials. Range Of Use: 100mm Angle Grinder Blessing Range: 1.5-10mm Thread Specification: M10x1.5 Coarse Thread Main Purpose: Convert The Angle Grinder Into A Hand Electric Drill To Realize One Machine With Multiple Functions. Material:metal Colour:silver Package Contents: 1 X Drill Conversion Collets Only The Above Package Content, Other Products Are Not Included. Note: Light And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.