This Action Socket features a 1/2 inch square drive and a 10 mm wrench width, optimized for hexagonal nuts. With a 4 mm wrench depth and 78 mm length, it ensures precise torque application and durability, suitable for impact screwdrivers and magnetic for ease of use. Key features: - Square drive size: 1/2 inch - Wrench width: 10 mm, wrench depth: 4 mm - Length: 78 mm for extended reach - Magnetic for secure fastening - Suitable for impact screwdrivers with robust surface protection