Features: It is easy to install and has long service life It has wide adjustable angle Metal universal joint is used to motor shaft and metal transfer of model cars, model boats, robots Specifications: 13 sizes: 6 * 6mm, 6 * 5mm, 6 * 4mm, 5 * 5mm, 5 * 4mm, 4 * 4 mm, 4 * 3.17mm, 4 * 3 mm, 4 * 2.3mm, 3 * 3 mm, 3 * 2.3mm, 3 * 3.17mm, 8 * 8mm Color: silver Rotation angle: 45 degree Packing includes: 1 x Universal joint (PC)
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