The Forbes Industries 1638-R features an 8" grey poly-lok wheel designed for durability and smooth mobility. This rigid caster is ideal for heavy-duty applications, providing reliable support and stability. The poly-lok material ensures resistance to wear and tear, making it suitable for various surfaces. Its robust construction allows for easy maneuverability, enhancing efficiency in any workspace. Perfect for carts, equipment, and furniture, the Forbes Industries 1638-R is a practical choice for those seeking dependable performance.