uxcell 5 Pcs Gold Tone 2.0mm Clamping Dia Brass Collet Rotary Tool Product Name : Brass Collet;Clamping Diameter : 2.0mm/1/12" Shank Diameter : 5mm / 0.2";Overall Size : 6 x 17mm/ 0.24" x 0.7" (Max.D * L) Material : Brass;Color : Gold Tone Net Weight : 9g Package Content : 5 x Brass Collet