... 4.Heat treated 5,MOQ:600PCS Product Name:22-Piece 1/2-inch Standard and Metric Socket Set With Blow CaseModel Number ... :SK07207.1Product description:Contents:16pcs-1/2”dr.sockets: 8,9,10,11,12,13,14,15,16,17,18,19,20,22 ... and tighten fasteners such as nuts and bolts. 22-Piece 1/2-inch Standard and Metric Socket Set With Blow Case