5" x 1 - 1/4" Hard Rubber on Grip Ring Stem Caster (D1) - 4 Swivels
-Wheel Dia: 5"
-Tread Width: 1-1/4"
-Axle Diameter: 5/16"
-Load Cap: 265 lbs./ea.
-Overall Height: 5-29/32"
-Swivel Radius: 4"
-Grip Ring Stem: 7/16" x 1-1/2" (D1)
-4 Swivels Included