With the Milwaukee 4932459393 drywall screwdriver bit set, you handle plasterboard and ceiling installations quickly and accurately. Measuring 148 mm with a standard 1/4" hex shank, these bits are designed for use with Milwaukee M18 fsg and M18 fsgc drywall screw guns fitted with a collated magazine attachment. The precision-machined PH2 tip delivers a secure grip on standard drywall screws, preventing cam-out and allowing you to drive screws cleanly flush with the board. With 3 bits included in the pack, you always have a fresh replacement ready on site, keeping high-volume fastening work running smoothly without downtime.