The Performance W1385 9-Piece 1/4-inch and 3/8-inch Tamper-Resistant Star Socket Set is constructed of chrome vanadium steel with professional sand finish. Features: * Six 1/4-inch drive sockets: T-10, T-15, T-20, T-25, T-27 and T-30 * Three 3/8-inch sockets: T-40, T-45 and T-50 * Chrome vanadium steel sockets * Professional sand finish * Heat-treated alloy steel bits What"s In The Box: * T-10 1/4-inch Drive Socket * T-15 1/4-inch Drive Socket * T-20 1/4-inch Drive Socket * T-25 1/4-inch Drive Socket * T-27 1/4-inch Drive Socket * T-30 1/4-inch Drive Socket * T-40 3/8-inch Drive Socket * T-45 3/8-inch Drive Socket * T-50 3/8-inch Drive Socket * Socket Rail