Standard Pack = 1 piece(s). Arm Style=Long; Brand Name=Tekton; Driver Style=Hex; Made In=Global; Number of Pieces=13; Set Includes=1.27, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 8, 10mm; Style=Metric; =;