standard features heavy-duty construction with captured scissor rollers for maximum stability superior hydraulic systems feature an integrated pump-cylinder for maximum reliability high quality casters and wheels for exce......standard features heavy-duty construction with captured scissor rollers for maximum stability superior hydraulic systems feature an integrated pump-cylinder for maximum reliability high quality casters and wheels for exceptional rollability dual action caster brake locks both the wheel and the swivel ergonomic push handle with convenien lowering control lowering control automatically stops when released for added safety convenient maintenance pins secure the scissor legs for inspection and maintenance quality baked enamel finish provides exceptional durability and corrosion resistance