A professional quality 9PC set of extra long impact hex bit sockets with a 3/8" drive. Manufactured by US.PRO Tools (formerly known as Bergen Tools), one of the more respected hand tool manufacturers on the market. Forged using Chrome Vanadium Steel (CR-V) for longevity and durability and helps resist abrasion, oxidation and corrosion. S2 hardened steel bits for greater toughness and wear resistance. Black Phosphate coated finish gives additional protection agains corrosion. Total length is 110mm. Supplied in a handy plastic tray for neat storage and easy transportation.