No metal parts - never worry about corrosion
the mounting does not match the listed 4"X4-1/2" plate with 2-5/8" x 3-5/8" to 3" x 3" bolt-hole pattern
Caster Type: 4" Hard Plastic 272066 Dimensions: 36" x 24"
A caster matching the listed wheel specifications and 4-1/2" x 6-1/4" plate with 2-7/16" x 4-15/16" to 3-3/8" x 5-1/4" bolt-hole pattern
3" x 1-1/4" Hard Rubber Swivel Caster, Total Lock Brake (Ball Bearing),300 lbs. Capacity Storage Lockers No metal parts - neverProduct Overview A hard rubber wheel is a great option when a little bit of cushion is needed at a low cost. Tread & Core: Solid Hard Rubber This caster is listed with wheel diameter 3", tread width 1 1 4", load capacity 300 Lbs., tread type Solid Hard Rubber, and bearing type Ball Bearing. Before ordering, verify the listed wheel dimensions, load capacity, bore or bearing, hub length, material, temperature range, and any mounting requirements against