This component (move shaft blades) is usually to be used in combination with the direct glass parts in Item 54879 TRF419 Aluminum Front Direct Cups. (additionally added to the Cup Kit choice components) it provides an updated design and product from past incarnations for lots more durability.
• Front Reinforced Swing Shaft Caps x2
• back Reinforced Swing Shaft Caps x2
• to be utilized with TRF419, TB Evo.6 and TB Evo.7 framework cars utilizing Item 54879.