Based on this product's specifications, here are some alternatives and similar models
Socket 1/2" 12-point 20 mm STANLEY 1-17-063 (MPN 170631)
Summary description:
STANLEY 1/2" 12-point 20 mm socket (model 1-17-063, MPN 170631) is a drive tool accessory designed for use with 1/2-inch drive ratchets and extensions. The 12-point configuration allows easier alignment with fasteners in confined spaces. Suitable for automotive, mechanical and general repair tasks requiring a 20 mm socket.