High Temp Phenolic Wheel Swivel Square Stem Caster Set 2 Brakes

Listing is for four (4) Service Caster Series #20 swivel casters, two (2) swivel & (2) swivel with top lock brakes, with a 4” diameter by 1-1/4” wide brown high temp phenolic wheels and a 3/4" square stem. Supports a total weight of 1,200lbs (300lbs/per caster).