Pozi: PZ1 x 100mm & PZ2 x 125mm. Inline hardening process: -+ 100% tip life and =100% bar strength. Slotted: 2.5 x 75mm, 3.5 x 75mm, 4 x 100mm & 5.5 x 100mm. Handle "channel" -+ 10% torque. CNC tip machining - gives better screw fit increasing torque transfer and reducing wear.
eBay