Channellock 24-Piece Uni-Fit Socket Set, SAE and Metric, 38054: * 24-piece Uni-Fit socket set * Uni-Fit sockets drive SAE, metric, external, torx, spline, square, 6-point and 12-point fasteners plus a rounded hex * .25" and 3/8" sockets drive has 52 different styles and sizes of fasteners * Laser etched for easy identification * Includes 3/8" Dr. with 72 teeth quick-release ratchet with comfort grip and a storage case * Material warranty