4 inch x 2 inch Black Phenolic Wheel. Phenolic wheels are floor protective, non-marking, excellent load carriers and highly shock resistant. Resistant to water, grease, oil, animal fats and most acids and alkalis solutions. Cold forged 1/4 inch plate steel rigs. Two hardened ball bearing raceways allow easy 360 degree swivel action under heavy loads. Grease zerk fittings on swivel plate and wheel bearings. Ideal on equipment and material handling dollies. 500lbs load rating.
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