Sixteen piece set is made in the U.S.A. featuring SKs high polish SuperKrome finish which protects the tools from the harsh working environments found in todays workplace. Provides long life and maximum corrosion resistance. All sockets feature SKs SureGrip hex design which drives the side of the fastener not the corner to avoid edge breakage which can occur on rusted or damaged fasteners when a traditional straight cornered hex tool is used. Features SuperKrome finish provides long life and maximum corrosion resistance SureGrip hex design drives the side of the fastener - not the corner Packaged on a metal rail Made in the USA