3M 05777 Hookit 6" x 1/2" x 3/4" Soft Interface Pad Soft foam construction conforms to contours for a finer finish Adds support to disc pad for improved abrasive cut and closer edge sanding Applies effortlessly between Hookit discs and Hookit back-up pads for quick changeouts Hole configurations help clear dust from the work surface, increasing disc life Reduces vibration from orbital sanding tool for improved results