Grey Pneumatic GRE1267MH 3/8" Drive 6" Length Metric Hex Driver Set 84 teeth give a 4, 3 and DEG, ratchet arc so you can reach any fastener and get the job done quickly, teardrop low profile head allows better access in tight spaces, longer reach Features and benefits: set contains one piece impact hex drivers 6 length in sizes 4mm to 12mm Made from high quality chrome-molybdenum steel