uxcell Drill Chuck Key, 11 Teeth, 3-16mm Capacity, 21mm Gear 8mm Dia Pilot Spanner Chuck Key 10pcs

Specification: Product Name: Chuck Key Main Color: Black Material: Carbon Steel Finish : Chemical Blackening Capacity:3-16mm Pilot Diameter: 8mm/0.31 Inch Shank Diameter: 7mm/0.28 Inch Gear Diameter: 21mm/0.83 Inch Teeth Number: 11 Total Size: 85.5 x 50 x 21.7mm/3.37 x 1.97 x 0.85inch(L*W*H) Package Content : 10 x Chuck Key Description: 1. Designed to tighten and loosen the chuck. 2. A chuck require a key to provide the necessary torque to tighten and loosen the jaws. 3. Note: package contain the key but not includes a chuck.