Diameter: 4" Tread Width: 2" Category: V-Groove Cast Iron (7/8") Wheels Bearing: Multiple Bearings Available Capacity: 600 Lbs Temperature Range: -45° to +600° F
Diameter: 8" Tread Width: 2" Category: Cast Iron (Semi Steel) Wheels Bearing: Multiple Bearings Available Capacity: 1400 Lbs Temperature Range: -45° to +600° F