General description The Trailer Jockey Wheel with Nose Weight Gauge is designed to facilitate the movement and adjustment of trailers. This model features a built-in Nose Weight Gauge, allowing you to monitor the weight of your trailer for safer driving. Technical specifications Tube Diameter: 48MM Rubber Wheel Size: 220MM x 70MM Overall Length: 32 Inch (Closed), 40 Inch (Open) Nose Weight Gauge Range: 25-125KG (in 25KG increments) Material: Bright zinc plated for rust resistance Other information Please note that this product does not come with a clamp.