General description Single Hex, 1/2" D hub nut socket with thin walls providing greater access. This tool is ideal for various applications, including Ford KA and Fiat 500, and is also suitable for the chainring spider nut on Yamaha PW, PW-SE, and PW-X electric bicycle motors. Technical specifications Size: 1/2" D x 36mm Outer diameter: 46.1mm Length: 78mm Material: Chrome molybdenum Other information