1" drive 21pcs socket tool set material: carbon steel finish: plating 1" drive 21pcs socket tool setDescription:16 sockets: 1-5/8, 1-11/16, 1-3/4, 1-13/16, 1-7/8, 2, 2-1/8, 2-3/16, 2-1/4, 2-5/8, 2-3/4, 2-15/16, 3, 3-1/8 1pc ratchet1pc heavy-duty steering head1pc 8" extension bar1pc 21" stress application bar1pc 21" sliding handle packing: metal case