Ulti-Mate PoziSquare? High Performance Wood & Chipboard Screws Why are these Woodscrews better? They have the very latest Pozisquare recess which gives Stick Fit with the driver bit which has Anti-Camount ribs. This Innovative Recess allows Higher Fastening Torque, is Safer and more Stable, and can be driven with Any Crosspoint Driver. The Screw Recess provides better protection against driver bit damage. The screws have Self-Countersinking ribs, and the Thicker, Stronger Shank works better in a wall plug. The single lead thread provides smoother Controlled Driving, important for Power Tools. This single thread resists stripping, and gives Greater Holding Power. Ulti-Mate screws Start Quickly, Drill their own Pilot Hole, and their Waxed coating allows them to drive in Easier. Hardening makes them tough and Resistant to Recess Damage. With their 'Golden' Zinc finish they look great in all- your projects. Every Box includes a FREE Driver Bit you won't find a better woodscrew