TEKTON 1/4-Inch and 3/8-Inch Drive Socket Set, Inch/Metric, 6-Point, 3/16-Inch - 3/4-Inch, 5 mm - 19 mm, 45-Piece | 13501 Complete set has every size from 3/16 to 3/4 inch and 5 to 19 mm Includes tools not found in other sets like a universal joint, power socket adapter, screwdriver bit adapter and extra long extension Finely geared 72-tooth ratchet needs only 5-degree working swing arc High-torque 6-point sockets grip flat sides of fasteners, not corners, preventing round off All tools are made from premium quality chrome vanadium steel with a mirror chrome plated finish