4 X 2 Colson Caster

Weight Capacity - 600 lbs Wheel size - 4" x 2" Weight - 4.75 lbs Attractive zinc-plated finish Full double ball hardened raceways 1/2" hollow axle with greeze zerk and lock nut Plastic seal / retainer washer  1/4" steel top plate for durability Permanent rivet kingpin with 3/4" dia rivet Grease fittings: wheel bearing and swivel raceway "Colson 45" multi-temp grease lubricates in extreme hot and cold temperatures