TKR6146 – Shock Cartridge Set (CNC, Delrin, EB/NB/ET/NT/SCT) Make your Tekno RC shocks even smoother with these precision CNC machined Delrin shock guides. They are a direct replacement for the stock guides on all of your Tekno RC vehicles. The guides will reduce drag on the shock shaft and improve suspension efficiency in all conditions, resulting in improved handling. They are also more durable than the stock parts. One package will cover a full set (4) of shocks. Features: CNC machined Delrin construction Smoother suspension action improves handling in all conditions Increased durability