RAILBLAZA C-TUG SANDTRAKZ Wheels-Pair Half the effort. Puncture free. Fits inside hatches. Fits all C-Tugs. Sold in pairs. Outer rim compresses when in use giving a longer track length. Patent pending. C-Tug SandTrakz Wheels are sold in 2 packs. Model No. 50-0005-71. Made in New Zealand.