Solid Polyurethane Swivel Threaded Stem Caster w/5" x 1.25" Blue Wheel and 3/8" Stem & Posi Locking Brake - 300 lbs Capacity/Caster - Service Caster Brand

These Service Caster Series #20 Solid Polyurethane casters offer various wheel sizes and mounting heights: 3” Wheel: 4-1/8” mounting height; 3-1/2” wheel: 4-5/8” mounting height; 4” wheel: 5-1/8” mounting height; 5” wheel: 6-1/8” mounting height.