Hamilton High Heat Dual-Wheel Standard Duty Kingpinless Swivel Caster rated up to 525° F with 4" x 1-3/8" Ultratherm&Trade; Wheel with Stainless Steel Shielded Precision Ball Bearings
Bolt Hole 1: 3 x 3
Bolt Hole 2: 2 5/8 x 3 5/8
Bolt Size: 0.38
Caster Rig Type: Cold Forged/Stamped
Caster Type: Swivel
Color: Bright Zinc Plated
Wheel Color: White Rubber on Black Center
Diameter: 4
Overall Height: 5.63
Top Plate: 4 x 4 1/2
Top Plate Length: 4.5
Top Plate Width: 4
Wheel Face: 1.38