XtremepowerUS HD Welding Cart Universal MIG MAG ARC TIG Machine Welders Home Garage Shop + Safety Chain Heavy Duty Casters 2pc 3" Swivel & 2pc 7-1/4" Fixed 3 Shelves For Easy Access to Supplies Max Weight: 100lb 2pcs Heavy Duty 3" Swivel Caster Front Wheels 2pcs Heavy Duty 7-1/4" Fixed Caster Rear Wheels