Product DescriptionIncludes: 1pc – 90 -tooth ratchet handle, 10pc – 12pt standard sockets, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16,3/4, 13/16, 7/8 – in. 11pc-12pt metric sockets 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 – mm.Constructed of chrome vanadium steel and heat treated for strength and durability.Quick-release button on ratchet allows for rapid socket or accessory change.90-tooth ratcheting design provides 4°of arc swing.Organized in a blow-molded case for convenient storage and easy transportation. On Apr-29-21 at 06:36:05 PDT, seller added the following information: