It is a new of hard-coated aluminium centre driveshaft joints for the Xray XB4 buggy. The parts are machined from high-quality aluminium, come hard-anodised for wear and will lower the rotational mass for improved performance. The 2-piece set fit the 2018, 2017 and 2016 variants of Xray’s popular 1/10th 4WD buggy.