Back holders are designed for connecting with the polishing pads. The polishing pads with velcro backing could be attached to any back holders easily and allows for a fast switching between different grit size. You can also use on angle grinder or floor machine for maintaining and renew the stone and other item. Best for surface or straight edge polishing with the excellent performance.

• 4" Aluminum Velcro Backer Pad
• M16 thread fits most polishers and grinders
• Used for flat areas and straight edges
• Fit diamond polishing pads of same or larger sizes
• Velcro face will accept all velcro backed diamond polishing pads

4" Aluminum Velcro Backer PadFujian Yida Nano Materials Technology Co. Ltd