The listing is for a set of four (4) service caster series #30 casters, two (2) swivel casters with side lock brakes & bolt-on swivel locks and two (2) swivel casters with a bolt-on swivel locks, with 6" diameter by 2" wide thermoplastic rubber flat tread on polyolefin core wheels capable of supporting a total weight of 2,000 lbs. (500 lbs./caster).

The listing is for a set of four (4) service caster series #30 casters with a 6" diameter, 2" wide thermoplastic rubber tread on polyolefin core wheels. The set includes four (4) swivel casters, two (2) fitted with top locking brakes. Supports 2000 total pounds (lbs) at 500 pounds (lbs) per caster.

Listing is for a set of four (4) service caster series #30 casters, two (2) rigid and two (2) swivel casters with side locking brakes, with 4" diameter by 2" wide black polyolefin wheels capable of supporting a total weight of 2,000 lbs. (500 lbs. per caster).

Listing is for a set of four (4) casters, two (2) swivel casters with bolt on swivel locks and two (2) rigid casters, with polyolefin wheels capable of supporting a total weight of 2,600 lbs. (650 lbs./caster).

Listing is for a set of four (4) service caster series #35 swivel casters, two (2) with side locking brakes, with 8" diameter by 2" wide thermoplastic rubber flat tread wheels capable of supporting a total weight of 2,400 lbs. (600 lbs./caster).

Listing is for a set of four (4) Service Caster, swivel casters, two (2) with top locking brakes, with 6" diameter by 2" wide thermoplastic rubber flat tread wheel and roller bearings capable of supporting a total weight of 1,800 lbs. (350 lbs./caster).