uxcell&reg; 1/2"-20UNF Mount 1.5-13mm Capacity Key Type SDS Plus Shank Drill Chuck Tool Product Name : Key Type Drill Chuck;Capacity : 1.5-13mm Mount : 1/2"-20UNF;Overall Size(Approx) : 42 x 58 x 30mm / 1.65" x 2.28" x 1.18"(Top D*H*Bottom D) Key Size : 80 x 39mm / 3.1" x 1.5"(L*W);Shank Size : 7.1 x 1 x 1.7cm/2.8" x 0.4" x 0.6" (L*Shank Dia* Max.D) Color : Black, Yellow, Gray;Material : Metal, Plastic Weight : 333g;Package Content : 1 x Key Type Drill Chuck,,1 x Key Tool,1 x SDS Plus Shank