Set of 4 quality alloy replacement wheel hubs to fit 1.10 scale models. Includes 4 x 2mm x 10mm pins. To ensure a fit check your wheel axle has a hole for a 2mm thick pin to go through it and the wheel axle shaft is 4mm in diameter. Note that the hole diameter for these hubs is 5mm. These wheel hexes feature locking screws secured by an allen key which is included. Center hole diameter is 5mm. Wheel Hex is M12 measures 12mm across flats. Hub thickness is 5mm.