About this item 【DURABLE CONSTRUCTION WITH PREMIUM QUALITY】-The heavy duty workbench caster wheels are constructed with durable thicker steel that can easily transform your stationary 660lbs workbench to a mobile workbench. Three holes on the top and bottom of the plate, durable wheels and bearings. 【EASY INSTALLATION】- The retractable casters set include 4 workbench caster assemblies with assembly hardware, all the necessary mounting hardware, full instructions and an installation template for quick and easy mounting of the workbench casters to a standard flat base surface. 【360-DEGREE MANEUVERABILITY】-The heavy-duty polyurethane retractable casters wheels let you enjoy 360 movement capability that will allow to maneuver tights space and allows for a larger and flexible working space. 【SIMPLE OPERATION】- Each lift pedal is ribbed and textured to provide extra grip when foot pressure is applied. Step on the pedal of the workbench wheels then lift the workbench to an fixed height. Once elevated you can move your bench, table or machine as desired. 【INSTALL TEMPLATE】- With our install template, the wheels for workbench can be installed quickly and accurate with no measuring required.