17mm Universal Hex for 40 Series and Clod Wheels From RC4WDSpecifications:CNC MachinedBillet AluminumOD: 1.49in / 38mmWidth: 0.68in / 17.4mmScrew Holes: M4Hex: 0.67in / 17mmAxle Stub Hole Size: 0.2in / 5mmEach Weight: 1.02oz / 29gWhat's Included2x 17mm Universal Hex for 40 Series and Clod WheelsNotes:Fits Axial Yeti XL RTR with use of Z-S0848For use on Z-W0142 / Z-W0143 / Z-W0056 / Z-W0004This is enough for 2x wheels