Diablo 2 pack micro fine flex sanding pads. Diablo's industry first double-sided ultra-flex sanding pads last up to 3 times longer than standard pads. The ultra-flex sanding pad is tear resistant against splinters and nail or screw ends. It has an ultra-flex design for multi-profile contour sanding. All Diablo ultra-flex sanding pads have a unique color code to determine grit needed. The color code for micro fine grit is blue.