DescriptionMade by durable sponge material, which allows the technician to follow contours and get closer to edges while minimizing burn through. Also it can adds support to disc pad for improved abrasive cut and closer sanding.Feature-Color: Black. - Material: Sponge. - Size: 12.5 x 12.5 x 1cm. - Suitable for uneven surface polishing such as wooden, protection against damage to backing pad, convenient replacement. - 8-hole design can prevents dust from clogging sander machine allowing easy cleaning to prolong tool life. - Made by sponge material, and effective.Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!