Specifications: Max Load Capacity - 136 KG Tube Diameter- 48MM Tyre Width x Diameter - 85MM x 260MM Overall Height Min To Max - 600MM To 860MM Bore Length - 80MM Finish - Bright Zinc Plated 48MM Jockey Wheel With Pneumatic Tyres & Clamp Jockey Wheels Are Used To Make Moving And Adjusting Trailers Easier. These Are Bright Zinc Plated To Aid Rust Resistance. Trailer Clamp Overall Length x Width - 130MM x 55MM Distance Between Centre Of Holes - 104MM Hole Diameter - 10.5MM Finish - Zinc Plated These Clamps Are Used For Holding Jockey Wheels And Prop Stands On The Side Of Trailers. These Have Rubber Grips On The End Of The Handle For Easier Use And Simply Screw Clockwise Or Anti-Clockwise To Open Or Close The Clamp. These Are Zinc Plated To Resist Rust. Please Note We Stock A Huge Variety Of Accessories For Trailers And General Transport Use *Please Note Due To The Zinc Plating Process The Finish May Have Blemishes*