Set contains all standard and deep length 6 point sockets in both fractional and metric sizes, plus a 72 tooth quick release ratchet, 3 extensions and a wobble spinner handle. Fractional sizes 3/16'' to 9/16'' and metric sizes 4mm to 15mm. 53 piece set contents: 10 Pieces Standard Length: 3/16'' , 7/32'' , 1/4'' , 9/32'' , 5/16'' , 11/32'' , 3/8'' , 7/16'' , 1/2'' , 9/16''. 10 Pieces Deep Length: 3/16'' , 7/32'' , 1/4'' , 9/32'' , 5/16'' , 11/32'' , 3/8'' , 7/16'' , 1/2'' , 9/16''. 14 Pieces Metric Standard Length: 4mm , 4.5mm , 5mm , 5.5mm , 6mm , 7mm , 8mm , 9mm , 10mm , 11mm , 12mm , 13mm , 14mm , 15mm 14 Pieces Metric Deep Length: 4mm , 4.5mm , 5mm , 5.5mm , 6mm , 7mm , 8mm , 9mm , 10mm , 11mm , 12mm , 13mm , 14mm , 15mm Ratchet:.