Perfect Home Caster. 4 in. Industrial Casters (4-Pack) with Bumper 30260PS-YOW
Shop for Hardware at The Home Depot. The 4 in. Industrial Casters (4-Pack) are designed to hold up to 150 lb. each. They fit units with 1 in. diameter posts and 3/8 in. inserts and feature a swivel design for mobility. The 2 wheels include brakes for control.