This medium duty jacking castor with a brake and a 80mm nylon wheel can lift loads an additional 76mm in vertical height. With a side mounted attachment plate jacking castors can be used on a variety of equipment and machinery that require vertical movement as well as horizontal. The jacking operation is achieved by a hexagonal spanner at the top of the jacking unit. The foot operated brake will brake the castor swivel head and wheel. JA 80mm Medium Duty Jacking Castor with Brake Nylon Wheel 150kg Load