Material: POM Packaging: 1pc Size: 6 * 22 * 7MM Outer contour: U-shaped Bearing material: carbon metal Color: White Bearing model: 626ZZ (outer diameter=19mm, thickness=6mm, internal hole=6mm) Usage: Furniture hardware accessories, cellular doors and windows, glass sliding doors and windows, aluminum alloy doorways and windows, shower room pulleys and drawers, etc Flexible sliding, no noise, and delightful and flawless appearance after instrument processing Made of advantageous materials, it is reliable, sturdy, durable, and not smoothly damaged, and can be maintained in fine condition even after long-term use Note: Due to manual measurement, please enable an error of 1-3mm Please make sure that you do not mind before bidding Due to the differences between varied monitors, the photographs might not replicate the particular colour of the object Please confer with the particular picture obtained Thank you a great deal