- 5mm diameter Phillips 2 bit designed for smooth operation in autofeed screwdriver. Minimizes screw jamming by precise application. Also a very useful long length bit for use with impact drivers - Application: Drywalling, plasterboard, screwdriving, decking, drylining - Features: Made in Europe to Makita’s high quality standard using special S2 alloyed steel and a state-of-the-art heat treatment process and straightening process.