Vestil Cst-Ve-4X2Mra-Swtb Rubber Swivel With Total Brake Caster 4″ Diameter X 2″ Width 551 Lb. Capacity, Black/Gray

Soft rubber provides a smooth cushioned ride for delicate products. It is quiet, and absorbs shock and vibration. Likewise, unlike some harder treads, it provides a good grip. Mold on rubber casters are a cost effective way to reduce noise, and offer a smooth ride. Great for outdoor applications.