uxcell Brass Collet 1mm 1.6mm 2.3mm 3.0mm 3.2mm Rotary Tool 5pcs Product Name : Brass Collet;Clamping Diameter : 1.0mm/1/25", 1.6mm/1/16", 2.3mm/2/32", 3.0mm/3/25",3.2mm/1/8" 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 : 8g Package Content : 5 x Brass Collet