for professional use.Easy to replace and install, fit to the machine perfectly.Stable Performance, long service life.Soft pad with Regular density.Replacement polishing disc , and effectively helps to improve the performance of the sander.Specification:Shape: TriangularHoles quantity: 7Replacement backing pad for DTS 400/DS400 REQColour:As ShownMaterial:PU foam+nylonDue to different product batches, the appearance may vary, which does not affect the usePackage Contents:1 * Sanding PadOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.