Polyurethane Expanding Caster (Set of 4)

The listing is for four (4) service caster series #04 heavy duty low profile business machine 1-1/8" expanding stem swivel casters. Features a 35 mm (1.4") diameter by 27 mm (1.1") wide wheel, a 92 Shore A durometer polyurethane tread on steel core, and precision ball bearings. Supports 880 pounds (lbs.) (220 lbs./caster).