Use the square drive to drive in Cut Screws and Decking screws.
Square bits fit snugly into correct sized screw heads, leading to:

• Minimal stripping
• One handed operation
• Increased grip
• Job gets done quicker

Size 1 square bits are used for cut screw sizes 3mm - 3.5mm
Size 2 square bits are used for cut screw sizes 4mm - 5mm.

Size 3 square bits are used for 6mm cut screws.