18 Pc SAE & Metric T-Handle Ball End Hex Key Set by USATNM SAE: 1/16 in., 5/64 in., 3/32 in., 1/8 in., 5/32 in., 3/16 in., 7/32 in., 5/16 in., 3/8 in. Metric: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm Chrome vanadium construction Offset PVC grips for high torque Sturdy steel display stand