The Carrymaster ACMCH Series is a new family of light-duty medical plastic casters with hole, with excellent performance in rotation, rolling and highly noiseless. The ACMCH Series is highly recommended for hospital beds, medical devices, light load trolley, light load carts, and in many other light-duty mobility applications. Casters in the ACMCH Series come in many different configurations: swivel (S), swivel brake (SB). With a net weight from 1.19 lb to 1.28 lb and a load capacity of 198.42 lb, all Carrymaster ACMCH medical plastic casters are light and have a corrosion-resistant structure.