Xtra Speed Aluminum Steering Block And Caster Block Set For AXIAL SCX10 #XS-SCX22118 Go to amazon.com Related posts Top 10 recommendation scx10 knuckles for 2019 FeatureFor: AXIAL SCX10Material: AluminumColor: Black DescriptionThis is a Xtra Speed Aluminum Steering Block And Caster Block Set For AXIAL SCX10.