R/C 3D printed internal shock limiters for traxxas based shocks with 3mm shock shaft or smaller. These may fit other shock brands, most 10th scale or smaller R/Cs use 3mm or smaller shafts. Please research whether or not these will work in your shocks by measuring the shock shaft diameter.
Internal limiters come in 24 and 48 piece kits. This item contains 24 total limiters with various sizes. They include 0.500″, 0.250″, 0.100″ and 0.050″ thickness to let you tune your ride height and droop by internally limited the shock travel. These will not go bad like silicone and rubber hose.