DISC WITH VELCRO 180mm For angle grinder Dimensions - Ø 180 mm Rotation speed - 8,500 rpm The advantage of the flexible disc is a soft sponge under the Velcro, which makes sanding easier. Velcro on the disc keeps the sponge up to 8,500 rpm. In this way, it allows you to work with all sponges and sandpaper without problems, as well as to dry the sponge at high speed. Velcro allows you to quickly change the sponge, sandpaper or felt.