Hand Tool 1/8" Clamp Diameter Slotted Spring Collet Adapter ER11-1/8 Product Name : Spring Collet;Model No. : ER11-1/8 Clamping Diameter : 1/8";Overall Size : 11 x 19mm/ 0.44" x 0.74"(Max.Dia*H) Material : Stainless Steel;Color : Silver Tone Net Weight : 8g Package Content : 1 x Spring Collet