Extra Long Jockey Wheel, Made of high quality materials rated with static capacity of 400kg or 500kg when you use the Jockey Wheel with a extra wide clamp. The Alko 628325 is a extra tall Jockey Wheel with 200mm (8") solid tyre, that comes with a 48mm diameter shaft that allows 2 different clamping positions and will provide a lifting range from 370mm to 767mm between ground and centre of drawbar.Ideal for Caravans or Off - Road trailers which require extra height to level or to adjust for slope parking. 1 Year warranty. No Clamp Supplied.