Surface treatment: Nickel
Quantity: 1 set (5pcs)
Material: HSS 4241
Specification: 0 #, 1 #, 2 #, 3 #, 4 #
Handle: hex shank 1/4 '' (6.35MM)
Characteristics: screw-type head grip stronger, easier to use
Use:For power tools, such as electric screwdrivers, for quick-change hexagonal handles, remove screws or nuts that are damaged on hard wood or wood. When using the speed should not be too fast!