8-hole design on each pad prevents dust from clogging sander machine allowing easy cleaning to prolong tool lifeSuitable for uneven surface polishing such as wooden bowls, protection against damage to backing pad, convenient replacement One side is HOOK face, can stick with H&L sanding discs, another side is LOOP face, can stick on H&L sanding pads Constructed of soft durable sponge which allows the technician to follow contours and get closer to edges while minimizing burn throughAdds support to disc pad for improved abrasive cut and closer edge sandingcolour:Gray + blackMaterial:spongesize:125mmPackage Contents:2 * 8-Hole Soft Sponge Interface PadOnly the above package content, other products are not included Note: Light shooting 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