General description Sealey AK681 Premier Metric/Imperial Impact Socket Set is a comprehensive 32-piece tool kit designed for professional use. Made from high-quality Chrome Vanadium steel, these impact sockets are durable and suitable for use with impact tools. The set includes both 3/8" and 1/2" square drive sockets, along with deep sockets for added versatility, all supplied in a convenient storage case. Technical specifications Material: Chrome Vanadium steel Drive sizes: 3/8" & 1/2" Sq Drive Includes: 10 deep sockets Contents: 3/8" Sq Drive Sockets; 8, 9, 10, 11, 12, 14, 15, 16, 17mm; 1/2" Sq Drive Sockets; 17, 19, 22, 30mm; 1/2", 9/16", 11/16", 13/16", 1", 1-1/8"; 1/2" Sq Drive Deep Sockets; 13, 15, 17, 18, 19, 21, 22, 24, 27, 30mm; Extension Bars; 3/8" x 75mm, 1/2" x 75mm; Adaptor; 1/2"(F)-3/8"(M) Model No.: AK681 Other information Phosphate finish for added corrosion resistance Lifetime guarantee* Supplied in a storage case for easy storage solutions