Introducing a set of 4 heavy-duty plate casters with a load capacity of 3200 pounds. The casters are made of steel and feature a 6-inch wheel diameter and 2-inch wheel width. The set includes 2 swivel and 2 rigid casters with a polyolefin wheel material for superior floor protection, quieter operation, and easy cleaning. The roller bearing with hardened raceway ensures a smooth rolling motion. Top plate measures 4"x4-1/2" with mounting over heights of 7-1/2".