The AXIAL SCX10 II Aluminum Front Knuckle Arm by GPM SCX2021 provides a focused steering upgrade that addresses play and fitment. Supplied as a set, the knuckle arms include Delrin collars that act as a softer interface to mating components, promoting smoother pivot action and consistent alignment. These parts are intended to improve steering precision while remaining compatible with standard AXIAL SCX10 II steering assemblies.