Middle hole pentagonal plum sleeve

Features:
1.DURABILITY: bits made of premium S2 alloy steel for superior hardness that reduce wear-outs and insure longevity
2.TORQUE STRENGTH: high strength chrome vanadium steel sockets provide superior torque for greater turning power with mirror chrome finish for corrosion resistance
3.PRECISION BITS: precisely and automatically machined bit tips to ensure accurate size, chamfered bit ends insert smoothly into fasteners and protect both bits and fasteners from damaged edges
4.ORGANIZED STORAGE: set includes a metal socket set for secure storage and easy carrying