The iCORE Premium Workbench Caster 4-pack Set is the logical solution for easily maneuvering your heavy workbench or machinery to any desired location in your shop. Just push down on the foot pedals to elevate your workbench off the floor (approximately 3/4-Inch), roll to preferred location, then lift up foot pedals to lower workbench or machinery firmly back onto the floor. Each 2-3/8" urethane caster can support 105 lbs. (420 lbs. overall capacity). You get smooth rolling ease of movement with caster's 360 degree pivoting action. All mounting hardware is provided, including our extra wide mounting screws and our Easy-Install Template, which makes installation quick and accurate with no measuring required. We have made several product improvement over similar products including increasing the number of mounting holes from two to six. With all the significant improvements, the iCORE workbench caster is clearly a better choice.