HRASXTF21H Brass Front Steering Knuckle SCX24Hot Racing heavy duty brass SCX24 Worm gear Axles steering knuckles (steering blocks) for the Axial SCX24 axles. Add weight to your crawler where it needs it down low. CNC machined solid brass Heavy to add weight to vehicle for greater stability and lower CG Cutouts on knuckle for access to outer bearing race for easy bearing removal Direct replacement for factory plastic steering knuckles In The Box (2) brass steering knuckles (4) King Pin Stainless