Simply insert the specially designed bit and put the drill in reverse, center on the screw head or middle of bolt and activate drill, it may start to drill into the screw or bolt slightly but will soon catch and grab the bolt so that it unscrews. All sizes #0, #1, #2, #3, & #4 come with hex shanks so that they can be used with quick change devices on a power/portable drill or handheld removable bit screwdrivers.
100% brand new and high quality
Usage: apply to electric tool with a clamp or joint.
Made of High Speed Steel for longer life.
Surface treatment: Nickel Plated
Type: 0#, 1#, 2#, 3#, 4#
Handle: Hexagon handle
Shank: Hex Shank
Screw-type head grip stronger, easier to use.
Designed to remove stubborn, rusted, stripped, screws or bolts, even factory installed carriage type bolts with no slots to remove from.