Diablo 2 pack ultra fine flex sanding pads Diablo’s industry first doublesided ultraflex sanding pads last up to 3 times longer than standard pads The ultraflex sanding pad is tear resistant against splinters and nail or screw ends It has an ultraflex design for multiprofile contour sanding All Diablo ultraflex sanding pads have a unique color code to determine grit needed The color code for ultra fine grit is green