32 piece set is made in the U.S.A., featuring SK's high polish SuperKrome® finish, which protects the tools from the harsh working environments found in today's workplace. Provides long life and maximum corrosion resistance.SureGrip® Drive Design drives the side of the fastener, not the corner, to provide increased strength and avoid rounding of rusted or damaged fasteners.Made in the USA1/4" Drive Pro Ratchet - 4.5"; Spinner Handle - 6"; Extensions - 2", 6"; Standard Sockets - 1/4", 9/32", 5/16", 11/32" 3/8", 7/16", 1/2" ; Deep Sockets - 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2"; Standard Sockets - 6MM, 7MM, 8MM, 9MM, 10MM, 11MM, 12MM; Deep Sockets - 6MM, 7MM, 8MM, 9MM, 10MM, 11MM, 12MM. Packaged in a metal box