KC Tools 1/2 Inch Drive Double Hex Socket is designed and engineered for ease of use and superior longevity. Fully forged and precisely machined from high-grade chrome-vanadium steel and backed by a lifetime warranty, these sockets are suitable for both industry professionals and handypersons alike. Makes your work faster and efficient. Length: 43 mm. Size: 27 mm. Diameter: 34 mm. Weight: 168 g.