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: 2 x Drill Conversion Collets Only the above package content, other products are not included. Note: Light reflection 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.