Grizzly T23971 - 4" Threaded Rubber Swivel Caster
Mount a set of these 4" Swivel Casters to shop-made dollies and material handling carts. Thermoplastic rubber wheels measure 1-1/4" wide, thread is 1/2"-12. Each caster has a load capacity of 150 lbs.
Free shipping within the Contiguous United States.