Origami Standard Wheels (2-Inch)

About the Origami standard wheels: Set of four professional 2" 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 famil Included Items: Set of 4 Wheels, Hardware, and installation instructions Threaded Stem Size: 0.38" Diameter x 1.25" Long Wheel Size: 2" Diameter x 3/4" Thickness Why you need it:Gain more flexibility with these four set of 2-inch professional swivel casters. Two wheels come with butterfly locks for more stability. Roll your racks from room to room with more ease!