Neiko 10288A Master Hex Bit Socket Set, S2 Steel | 32-Piece Set | SAE and Metric DURABILITY: bits made of premium S2 alloy steel for superior hardness that reduce wear-outs and insure longevity TORQUE STRENGTH: high strength chrome vanadium steel sockets provide superior torque for greater turning power with mirror chrome finish for corrosion resistance 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 16-Piece SAE hex bit sockets include: 1/4 Drive: 5/64, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4; 3/8 Drive: 9/32, 5/16, 3/8, 7/16, 1/2; 1/2 Drive: 9/16, 5/8, 11/16, 3/4 16-Piece Metric hex bit sockets include: 1/4 Drive: 2mm, 2.5mm, 3mm, 4mm, 5mm, 5.5mm, 6mm; 3/8 Drive: 7mm, 8mm, 9mm, 10mm, 12mm; 1/2 Drive: 14mm, 15mm, 17mm, 19mm