Origami Heavy Duty Wheels - Smoother Rolling And Extra Weight Capacity (3-Inch) - (For R3, R4, R5, R6 Racks)

Set of four professional 3" swivel casters for Origami Storage Racks; 2 wheels with butterfly lock function Compatible with our R3, R4, R5, and R6 Origami Racks; not for use with our RB or R1407 bookcase family Included Items: Set of 4 Wheels, Hardware, and installation instructions Threaded Stem Size: 0.38" Diameter x 1" Long Wheel Size: 3" Diameter x 1" Thickness 3" Inch Metal Wheels for Origami Racks Gain more flexibility with these four set of 3-inch professional swivel casters. Two wheels come with butterfly locks for more stability. Roll your racks from room to room with more ease! These larger wheels are more durable and reliable to allow ease in mobility for heavier loads on your racks.