Profile: Cook's of Bedford Ltd. offers abrasives, engineering, construction, automotive and air products. Our heavy duty sack truck includes toe plates, strong, robust & fully welded construction & easily folded and therefore is ideal for storage in a car or van. Pneumatic trolley jack is a fast lift triple stage air-operated jack. It is manufactured from laser cut steel. It includes safety overload protection with controls and four position locking handle. Chrome molybdenum vanadium pistons with special liquid nitride anti-seize surface. Twin rubber wheels for ease of movement around workshop. Our jack is supplied with 100mm extension to increase jacking range. Air-operated with male coupling to receive air line.