Cross-Slot-PH-Imp-S-Driver-Bits-No1x25mm-1-4-Hex-5Pc-Draper-Expert-04934-These-1-4-hex-No-1-Cross-Slot-PH-Type-impact-screwdriver-bits-are-made-from-S2-steel-which-is-correctly-hardened-and-tempered-for-durability-and-long-life-p-p-Each-has-a-blackened-hex-shank-with-a-shot-blast-finish-and-precision-ground-tips-to-prevent-cam-out-and-screw-damage-p-p-The-shock-absorbing-torsion-design-increases-torque-performance-p-p-There-are-highly-visible-laser-etched-size-markings-on-the-hex
