Features: -The wheel frame adopts a compression-resistant structure, which is tough and stable, and provides strong support for the wheels. -The unique step nail ball structure ensures that the wheels are evenly stressed at 360 degrees and rotate flexibly. -The wheel center is highly elastic, wear-resistant, quiet, and rolls smoothly. -Accurately fix the hole position, easy to install. -Suitable for bags, luggage, trolley case and you must have strong ability in DIY. Specification: Material: plastic Color: black Wheel diameter: 5.4cm Height: 10.2cm Height from the ground：6.5cm Package Included: 4x Universal roller wheels .
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