4" x 1-1/4" Hard Rubber on Threaded Stem Caster (B1) - 4 Swivels with Brake
-Wheel Dia: 4"
-Tread Width: 1-1/4"
-Hub Length: 1-9/16"
-Axle Diameter: 3/8"
-Load Cap: 265 lbs / ea
-Overall Height: 5-1/8"
-Swivel Radius: 3-1/2"
-Threaded Stem: 1/2" x UNC13 x 1" (B1)