3/8” METRIC BLACK OXIDE IMPACT SOCKET SET, NUMBER OF PIECES: 19; MARCA: PROTO; PN: J72216; SOCKET TYPE: 6 PT. DEEP; SAE OR METRIC: METRIC; DRIVE SIZE: 3/8”; DRIVE TYPE: SQUARE; NUMBER OF PIECES: 19; SOCKETS INCLUDED: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24MM;