2Pcs Heavy Duty Chuck Head - 13mm x B16
. Material : Carbon Steel
. Size : 13mm ( 1/2" )
. Taper Hole : B16
. Clamping Range : 0 - 13mm
. Weight : 290g
. 1 Pcs 13mm Chuck Key
. This is a heavy-duty, keyed drill chuck with a 3-jaw design, often used for industrial drilling or milling machines