D4175 Cast-Iron Swivel Caster for D2058AThis caster features a cast-iron wheel with a heavy steel support bracket. Rectangular mounting pad has hole dimensions, center-to-center, of 2-3/4" x 1-1/2". 360 degree swivel. 3" diameter, 4" tall. Capacity: 330 lbs. These are direct swivel caster replacements for our D2058A Shop Fox® Super Heavy-Duty Mobile Base.