The Extra Hard Nutsetter is a good choice for universal use. All tasks are achievable thanks to the bit´s S2 Modified Steel and an optimised heat-treatment process resulting in extra-hard quality, enabling adequate performance in various tasks. Additionally, a permanent magnet secures a hold on screws and prevents slippage. The Extra Hard Nutsetter is a good choice for universal use. All tasks are achievable thanks to the bit´s S2 Modified Steel and an optimised heat-treatment process resulting in extra-hard quality, enabling adequate performance in various tasks. Additionally, a permanent magnet secures a hold on screws and prevents slippage. intended for universal screw-driving with screwdrivers and drill drivers.