Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si<br> Drawbar: M10<br> MT2 Holding all ER20 collets<br> Note: Please allow 1-3mm errors due to manual measurement.<br> Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated .<br> colour: Silver<br> Material: Carbon steel<br> size:<br> Clamping diameter range: 1-13mm<br> Lock nut outer diameter: 28 mm<br> Package Contents:<br> 1* MT2 ER20 M10 Toolholder<br> 7* ER collet (accuracy0.015)size: 4,5,6,7,8,1/4,1/8mm<br> Only the above package content, other products are not included.<br> Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.