Usage Tips: 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: Triangular Holes quantity: 7 Replacement backing pad for DTS 400/DS400 REQ Colour:As Shown Material:PU foam+nylon Due to different product batches, the appearance may vary, which does not affect the use Package Contents: 1 * Sanding Pad Only 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.