4" x 1-1/2" Steel Wheel Caster - Swivel
-Top Plate: 3-15/16x4-1/2
-Diameter : 4"
-Tread Width: 1-1/2"
-Load Cap: 600 lbs / ea
-Overall Height: 5-5/8"
-Axle Diameter: 1/2"
-Attaching Bolt Size: 3/8"
-Bolt Hole Spacing: 2-5/8" x 3-5/8" x 3-5/8" to 3 x 3
-Steel Wheel