The Confirmat Screw Step Drills from Snappy are designed to drill the perfect hole for confirmat screws. Shanks are 1/4" hex so they can be changed for the PoziDrive driver bits in a snap. Use #2 PoziDrive with 5x40 Confirmat Screws and #3 with 7x50 Confirmat Screws.

Features:
• 5 x 40 mm Two-Piece Drill Bit for Confirmat Screws
• 1/4" Hex Shank