Silverline Hook & Loop Backing Pad 125mm

Amazon

Semi-flexible For use with hook and loop polishing sponges, bonnets and sanding discs Compatible with power drills Includes 6 mm arbor Max 3250rpm, Weight: 0.25 Pounds, Manufacturer: SLTL4

Electrical World

Semi-flexible backing pad for use with hook and loop polishing sponges, bonnets and sanding discs. Compatible with power drills. Includes 6mm arbor.