Designed with the tradesman in mind, Black Diamond® high-performance hand tools are tough, reliable and engineered for quality and durability. Perfect for your shop, barn, garage, home, warehouse or construction site, Black Diamond hand tools pass the tests of time, pressure and repeated use. Whether you are a professional tradesman, an accomplished handyman or a serious weekend warrior, you can trust that Black Diamond hand tools will help you make quick work of it. • 7 Piece Hex full-size nut-driver set of popular SAE sizes:3/16",1/4",5/16",11/32",3/8",7/16",1/2" • Tough PP thermoplastic and TPR rubberized handles for grip comfort and non-slip total control • Chromium-vanadium steel shafts for extra torque strength and rust-resistance • Large storage rail, with wall-hanging holes, for easy organization. Just release the holding-clip to access the nut driver • Laser etched labels and color-coded handles for easy size identification