The 6" Wheel Heavy Duty Caster is a versatile and durable industrial caster, designed for handling trucks, pallet jacks, mobile storage carts, trolleys, and other heavy-duty equipment. Its mixed material of Steel, Nylon, and Zinc offers strong abrasion resistance, preventing rust and increasing its lifespan. The caster has a 360-degree smooth and quiet rotation, with a weight capacity of up to 1250 lbs. Its design provides strong shock absorption and buffering performance, increasing its service life. The caster is easy to install and replace, making it an ideal choice for any heavy-duty equipment that requires a sturdy and reliable caster.