Quantity : 1 set of 31pcs. – 3/8″ Six- point Hand Socket – 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm – 12pcs. – 3/8″ Six-Point Deep Hand Socket – 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm – 12pcs.