Spline screwdriver set in a useful range of sizes from M4 to M10 with extra-long 300mm shafts for reaching deep, restricted access fixings. A specialist screwdriver set, designed for spline and XZN fasteners, ideal for automotive use, including exhaust manifold and rear brake disk maintenance with ergonomic, ridged non-slip handles for excellent grip. Sizes: M4, M5, M6, M8 and M10. Extra-long 300mm shaft for deep reach access. Ideal for spline and XZN screws. Ergonomic, non-slip handles for improved grip. Blades manufactured from S2 steel.