5" x 1-1/4" Hard Rubber on Threaded Stem Caster (B1) - 4 Swivels
-Top Plate: 2-3/8" x 3-5/8"
-Wheel Dia: 5"
-Tread Width: 1-1/4"
-Load Cap: 300 lbs / ea
-Overall Height: 6-5/32"
-Axle Diameter: 3/8"
-Attaching Bolt Size: 5/16"
-Threaded Stem: 1/2" x UNC13 x 1" (B1)