Anti-slip Tips Design(As show): The phillips impact driver bits tips adopt a screw thread design to increase friction - improve the anti-slip effect by 30%.
1/4 Hex Patented Shank(As show): Perfectly compatible with 1/4 quick release chuck and electric drill keyless spindle lock chunk.
Strong magnetic screwdriver bit tips: More handy to pick up screws in long, narrow and complex spaces.
【S2 Tool Steel】Meet international standards: tempered at 350-800 deg F to obtain hardness of Rockwell C 58-62, stands up to abuse.
What You Get: PH1-1 inch-20Pcs in total with a plastic case.