ITEM NAME:ER25 collet set 11 pcs from 3mm to 16mm for CNC milling lathe tool and spin A3M9 ER25 collet set 11 pcs from 3mm to 16mm for CNC milling lathe tool and spin A3M9 100% Brand New and High Quality. Type; CNC milling Lathe Tool MODEL: ER25 Color: Silver Material: steel Run-Out Tolerance: 0.015MM (0.0006 inch) Gripping Range: 3mm,1/8mm,4mm,5mm,6mm,1/4mm,8mm,10mm,12mm,1/2mm,16mm Package included; 11 * ER25 Collets Only the above package content, other products are not included. Note: Light shooting 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.