Material: ABS, Nylon Colour: Black Size: 58 x 31mm / 2.28 x 1.22 Inch (please refer to the picture for detailed size information) Column-type upper wheel: 360-degree rotation, adjustable switch, one-click pop-up, convenient and fast. Package content: 2X sliding door rollers (4 pieces in total) 16x screws Notice: 1. Manual measurement, the size is slightly wrong. 2. Due to different screens, there may be slight differences in color.
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