C-K-Bit-Set-100mm-Mixed-Set-Of-10-CK-Tools-T4525-p-Premium-quality-chrome-vanadium-steel-Precision-machined-for-high-performance-screwdriving-Featuring-grip-tip-anti-cam-out-ribs-designed-to-positively-engage-with-the-screw-head-&-reduce-the-risk-of-slip-&-cam-out-Set-contained-in-a-convenient-bit-storage-clip-Bit-sizes-Slotted-4-5-7mm-PH1-2-3-PZ1-2-3-TX15-20-p-CK-Tools-T4525-Bit-Set-100mm-Mixed-Set-of-10