15"between frames and total 17"long. 8/25" diameter mild steel axle.
Rollers Consists of Stainless Steel tube and galvanized steel mild steel axle, spring loaded pin retained on one end.
280 pounds load capacity per roller.
Versatile : Can be used for DIY make roof rack loader for kayak, load/unload for raft trailer and also you can install rollers on your chain link fence to keep dogs/cat in their fences. This can be used in your own yard, or at a shelter.