AllPoints Foodservice Parts & Supplies 1571088 Posi-Setâ„¢ Caster Channels are designed for durability and safety in foodservice environments. Measuring 9-3/4" x 4-1/4" x 1", these caster channels are made from flame retardant thermo plastic resin, ensuring compliance with ANSI standards. Each set includes mounting hardware for easy installation. NSF certified, these channels provide reliable support and mobility for your equipment, making them an essential addition to your foodservice setup. Sold in sets of two.