15 Pack 4" PVC Backer Pads with Water Feed Hole, 5/8"-11 Thread, Max 5000 RPM – Durable Flexible Backing Plates for Diamond Polishing Pads, Granite, Marble, Stone, and Concrete

This package carries 15 Piece of 4" velcro pad holder (their arbor is 5/8'-11 FEMALE THREAD, WITH WATER FEED HOLE). IMPORTANT REMIND: PAD HOLDER'S MAX VELOCITY / CAPACITY IS 5000 RPM. PLEASE DO NOT USE THEM WITH HIGH SPEED GRINDER OR POLISHER.

• Complete 15-Pack Value Set – Includes fifteen 4" PVC backer pads with 5/8"-11 female thread arbor, ideal for both professional and DIY stone polishing and grinding.
• Water Feed Hole Design – Built-in center hole allows water to flow through, reducing heat and extending the life of your polishing pads during wet applications.
• Durable & Flexible Design – Made with high-quality PVC and reinforced rubber for firm grip, long life, and smooth performance.
• Safe Working Speed – Rated at maximum 5000 RPM; do not use with high-speed grinders or polishers to ensure safety and pad longevity.
• Versatile Use – Ideal for stone, granite, marble, concrete, and other surface polishing or sanding projects.