• Complete Set - 4 heavy duty swivel casters that support 90 kgs each• Adjustable fit - Fits legs with a diameter of 1-1/2 inches and can be adjusted by tightening the top ring to compress the rubber stem• High-quality - Wheels are non-marring and made of chemical resistant thermoplastic polyurethane• Versatile - 2 wheels have a locking brake to keep the table in place• Sturdy - Wheels are zinc plated and pivot easily on a full set of ball bearings• Convenient - Casters arrive fully assembled so they are fast and easy to insert and use• Overall size - 7-3/4" tall (this will raise the table by 5 inches), 5-1/4" wide , and the wheel is 4" in diameter What''s included • 4 fully assembled swivel casters (2 with brakes)