uxcell ER32 ER-32 20mm Stainless Steel CNC Milling Spring Collet Product Name : Spring Collet;Model No. : ER32 Clamping Range : 20mm/ 0.79";Clamping Diameter : 20mm/ 0.79" Slotted Part Diameter : 29mm/ 1.1";Overall Size : 33 x 40mm/ 1.3" x 1.6"(Dia*Length) Material : Stainless Steel;Color : Silver Tone Net Weight : 91g;Package Content : 1 x Spring Collet Chuck