Replacement of plastic Parts Hard-anodized colour,CNC machined PTFE-coated hardened alloy Aluminum adaptor add both strength and beauty without compromising the track-bred suspension geometry The lightweight aluminum alloy material is durable and improves the overall performance of the hex hub adaptor item number: 144001 type: buggy, off road Colour:Red/Blue/Yellow/Black/Gray Material:Aluminum alloy Size:12mm Package Contents: 4 x wheel hub hex adapter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.