60 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 Extensions 2", 6"; Pro Ratchet; 1/8" - 9/16" Standard and Deep Sockets; 4mm, 4.5mm, 5mm, 5.5mm - 16mm Standard Sockets; Universal Joint; 1/4"F-3/8"M, 3/8"F-1/4"M Adapters. Packaged in a molded plastic case