The Flexipads M14 Ultra Soft Velcro backing pad is constructed from impact resistant synthetic nylon plate, bonded to a thick layer of dense cellular foam. Backing plates of this type go nicely with M14 Threaded Rotary Machine Polishers such as Festool, Kestral, Makita 9227CB and Metabo PE12-175. Featuring a flexible design for easy transitioning between flat and curved surfaces - perfect for use on complex curved surfaces. With a soft, tear resistant foam, it reduces buffer hop and prevents excessive heat build up. Featuring a Velcro backing, it enables quick and easy pad changing. Perfect to stand as a backing plate for Flexipads Hex-Logic and Coolshine pads. Made in Great Britain. Flexipads Backing Pad - 3 inch Abrasive: 75mm Surface: 73mm Thread: M14 x 2 Foam Layer: 25mm Density: Ultra Soft Max RPM: 20,150 Flexipads Backing Pad - 5 inch Abrasive: 125mm Surface: 123mm Thread: M14 x 2 Foam Layer: 30mm Density: Ultra Soft Max RPM: 12,250