uxcell JT0 0.15-4mm Drilling Capacity Spanner Drill Chuck Key 2 in 1 Product Name : Spanner Drill Chuck;Capacity : 0.15-4mm / 0.059" - 0.39" Type : JT0;Drill Chuck Max. Diameter : 2cm/0.78" Drill Chuck Total Length : 3.5cm/ 1.4";Key Size : 5.5 x 3.5cm / 2.2" x 1.4"(L*W*T) Color : Silver Tone, Black;Material : Steel, Metal Weight : 73g;Package Content : 1 x Drill Chuck,1 x Key Tool