The ergonomic answer to lifting, positioning and transporting heavy loads, SOUTHWORTH Dandy Lift Mobile Lift Tables are popular in the shop, warehouse, and office. Foot pump hydraulically raises platform to any height within its lift range to reduce stress associated with lifting and bending. Standard floor lock keeps truck in position during loading and unloading. 2 swivel and 2 rigid casters. Blue frames. Platform color varies.NOTE: Model 71133 has double scissors.