Wiseup 2Pcs Chuck Head - 16mm
. Material : Carbon Steel
. Size : 16mm ( 5/8" )
. Thread Size : 1/2" x 20 UNF
. Clamping Range : 3.0mm to 16.0mm
. 1 Pcs 16mm Chuck Key
. This is a heavy-duty, metal keyed drill chuck designed for power tools.
. The set typically includes the chuck and a chuck key for tightening and loosening bits