Listing is for a set of four (4) Service Caster series #30 casters with a 5" diameter, 2" wide thermoplastic rubber donut tread on polyolefin core wheel and maintenance free precision ball wheel bearings. Set includes two (2) swivel casters and two (2) rigid casters. Supports 1400 total pounds (lbs) at 350 pounds (lbs) per caster.

Listing is for a set of four (4) service caster series #30 swivel casters, two (2) with side locking brakes, with 6" diameter by 2" wide black phenolic wheel and maintenance free precision ball wheel bearings capable of supporting a total weight of 4800 lbs. (1200 lbs. per caster).

Listing is for a set of four (4) service caster series #20 casters, two (2) swivel and two (2) rigid casters, with 5" diameter by 2" wide rubber on cast iron wheel and maintenance free precision ball wheel bearings capable of supporting a total weight of 1,400 lbs. (400 lbs./caster).

Listing is for one (1) Service Caster Series #92 rigid caster with a 10" diameter, 3" wide semi steel cast iron wheel. Supports 2500 pounds (lbs) per caster.

Listing is for a set of four (4) service caster series #20 casters, two (2) rigid and two (2) swivel casters with top locking brakes, with 5" diameter by 2" wide polyurethane on aluminum wheel and maintenance free precision ball wheel bearings capable of supporting a total weight of 1,800 lbs. (450 lbs./caster).

Listing is for a set of four (4) Service Caster Series #20 1" expanding stem swivel casters, two (2) with top locking brakes, with 3-1/2" diameter by 1-1/4" wide black polyurethane wheels capable of supporting a total weight of 1,200 lbs. (300 lbs./caster).