SwissGrip Evo screwdrivers, with hexagonal bolster for use with a wrench for slotted screws with hexagonal bolster for transmitting high torques and loosening seized screw parallel tip, optimum transmission of force, no cam-out optimized handle shape for maximum transmission of force and exceptionally high torques SwissGrip Evo’s superior ergonomics ensure effortless, fatigue-free work non-slip and comfortable grip – for safe, precise use in all conditions inner core made from 100% recycled mateメーカー公称