Milwaukee(R) 4PC Drywall Screw Setters provide ideal depth control when installing drywall. They feature a collar that automatically stops the tool from overdriving a screw. This allows for consistent screw depths and prevents damage to the drywall. The bits are insert style featuring a 1/4" hex shank intended for use in Drill Drivers. | Milwaukee Tool Drywall Screw Setter 4 Pack