✓Flexible Rubber Support: the polishing pads is made of thick, flexible rubber, which helps the polishing pad conform to curved edges, bevels, contours, and uneven stone surfaces; The soft yet stable backing helps reduce vibration, bounce, and trembling during wet and dry polishing of granite, marble, quartz, concrete, and other hard surfaces
✓Strong Hook and Loop: the concrete polishing pad securely holds the 4 inch polishing pad, sandpaper disc, and diamond wet and dry polishing pads; The polishing rubber pad helps keep the polishing pad centered and stable during use, reducing the risk of the polishing pad flying off when working on countertops, sink edges, concrete slabs, stone steps, and areas requiring detailed finishing
✓5/8"-11 Brass Thread: the 4 inch backer pad features a reinforced brass internal thread for stable mounting on compatible American angle grinders, wet polishers, and handheld polishers with 5/8"-11 external thread spindles; The metal core is resistant to rust and abrasion; This polishing pad holder is suitable for repeated stone polishing work
✓Versatile Applications: the hook and loop backing pad is ideal for granite polishing pads, marble edge trimming, quartz countertop repair, concrete surface smoothing, and other polishing pad applications; The hook and loop backer pad can also be applied with compatible sandpaper or polishing discs for fine polishing results, including body repair polishing pads, size and thread matching
✓Product Compatibility: includes two 4 inch polishing pad holders; Only compatible with 4 inch or 3.8 to 4 inch hook and loop polishing pads; The flexible rubber backing plate is recommended to operate at a maximum speed of 4500 RPM; Please use a variable speed grinder or polisher; Avoid using high speed, non adjustable tools to prevent overheating, rubber damage, or pad detachment