Increased flexibility with universal application and ultimate holding power. For Universal use in wood, chipboard, MDF, plastic and even thin metal sheet. Multihead: Cutting ribs help the head countersink into the wood easily. Screw head ribs help reduce the thread being stripped when fixing hinges etc. Deeper recess in screw-head for stronger bit hold. 4CUT Point: No splitting even when working close to the edge. No pre-drilling required even on hard floors. Screw point takes immediate hold GROUND Serrations: Reduces driving in torque. Hard synthetic coating for easy driving.