Expert E117064 21mm 1/2in Drive Bi-Hexagon SocketThis Expert socket is designed for use with a 1/2 inch drive tool. It features a 21mm bi-hexagon (12-point) opening, suitable for engaging with hexagonal fasteners. Ideal for various mechanical and automotive applications.Features 21mm bi-hexagon (12-point) opening 1/2 inch drive fittingSpecifications Brand: Expert MPN: E117064 EAN: 3258951170649 Length: 38 mm Weight: 92 g