These ramps are designed to simplify the process of changing a flat tyre on a twin axle trailer. It removes the requirement for heavy jacks, just keep one of these lightweight ramps in your trailer instead.Makes changing a puncture easierStrong and robust polypropylene for long lasting use7000kg capacity, suitable for most trailersThe B-G Racing tyre changing ramp means you no longer need to use a jack to change the wheel on your trailer. Simply loosen the nuts / bolts on the punctured wheel then drive the good wheel onto the ramp. The flat wheel is then suspended for changing. Just drive back off the ramp when the wheel is changed.The ramps are made from durable polypropylene so will not corrode or discolour and will provide many years of service.Dimensions: Height - 140mm, Width - 205mm, Length - 610mmLoad capacity - 7000kg