24 Piece SetIncludes: 11 - 1/4" Sockets, 9 - 3/8" Sockets, 3/8" Drive Ratchet Handle, 3" Extension, 3/8" X 1/4" Reducing Adaptor And Storage CaseUni-Fit System Fits SAE (5/32", 3/16", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", 9/16", 19/32", 5/8", 11/16" And 3/4"), Metric (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm And 19mm), External Torx (E5, E8, E10, E12, E14, E16, E18, E20, E22 And E24), Spline (M10, M12, M14, M16, M18, M20 And M22)72 Tooth Ratcheting Handle Requires Only 5 Degrees Of Movement To Utilize RatchetHigh Polished Chrome Vanadium Steel ConstructionHigh-Density Polyethylene Case Is Strong And Durable And Keeps Tools OrganizedNot For Use With Pneumatic And Electric Impact WrenchesMirror Polish For Easy Tool Cleanup After UseMeets Or Exceeds ANSI Standards