Service Caster Brand Replacement Set for Knaack Casters Model 600

Replacement Casters for Knaack Casters: Model 600 Compatible with Knaack Jobsite Storage Boxes and Rolling Job Box Weight Capacity: 3,600 lbs. Total Capacity HARDWARE NOT INCLUDEDYou may also like 8 Inch Kingpinless Red Poly on Steel Wheel Caster Set 4 Brakes 2 Swivel Locks.