Skip to ContentProduct Name : Straight Collet Chuck;Model : C12-ER11A-100L;Fit for : ER11 ColletMaterial : Metal;Color : Silver Tone , Black;Shank Dia : 12mm/ 0.47″Shank Length : 100mm/ 4″;Total Length : 125mm/5″End Thread Hole Dia : 9mm/ 0.35″;Overall Size : 125 x 19mm / 5″ x 0.75″ (L*Max.D)Net Weight : 90g;Package Content : 1 x Straight Collet Chuck; Mainly used on milling machines, grinding machines, lathes, and small machine tools