3M Hookit Soft Interface Pad, 150 mm, 25 hole, 05777 3M 3M Hookit Soft Interface Pad, 150 mm x 5 mm, Multihole, Soft, 51126 3M Soft Interface Disc Pad 3M United Kingdom 3M Soft Interface Pad 127 x 12.7 x 19mm (5"x1 2"x3 4") Multihole 3M Hookit Soft Interface Pad, 150 mm x 10 mm, 15 Hole, 50396 3M Clean Sanding Soft Interface Disc Pad 28321, 5 in x 1 2 in 44 Holes. 3M 28322 6" Soft Interface Pad Soft Interface Pad (to be inserted in between the backing plate and the pad), increases conformability, allowing the technician to follow contours and get in closer to most edges. Constructed of a soft durable foam. Also enables a more versatile uses with specific and more rigid pads, such as Rupes MF pads.