This Metal Axle and Hex Set provides an ideal upgrade for your ARRMA vehicle.Includes:2 x Front universal joint driveshafts 2 x Rear stub axles 4 x Clamping wheel hexes 4 x Locking grub screws 4 x Drive pins 4 x M4 Wheel nuts Features:Pre-Assembled front driveshafts for easy fit Anodized aluminum clamping wheel hexes for great looks and extreme durability 12mm hex size allows fit of a wide range of wheel/tire sets