uxcell 1/8" Dia Rotary Tool Chuck Collet Silver Tone 5 Pieces for Cutting Product Name : Chuck Collet for Cutting;Clamping Diameter : 3.2mm /1/8" Shank Diameter : 4.3mm / 0.17";Overall Size : 6 x 18mm / 0.24" x 0.7"(Max.D * L) Material : Metal;Color : Silver Tone Net Weight : 8g Package Content : 5 x Chuck Collet for Cutting