The MaxShine Dual Action Polisher Backing Plate is a premium replacement or upgrade backing plate designed specifically for the MaxShine M15 and M21 Dual Action Polishers. Precision balanced to handle the larger throw of long-throw polishers, it delivers smooth operation, excellent pad stability, and superior heat management. Manufactured from high-quality flexible PU material with advanced venting technology, it's built to withstand the demands of professional paint correction while extending the life of your polishing pads.

Key Benefits

• Designed for Long Throw Polishers: Specifically engineered for MaxShine M15 and M21 Dual Action Polishers.
• Precision Balanced: Maintains smooth machine operation while minimising vibration during polishing.
• 5" Compatible with M21: The 5-inch backing plate is fully balanced for use on both 15mm and 21mm orbit machines.
• Premium PU Construction: Flexible, durable material built for long service life and professional use.
• Advanced Cooling Technology: Eight-hole vented design with Smart Heat Management helps reduce pad temperatures and extend pad life.
• High-Strength Hook & Loop Surface: Designed for over 10,000 attachment cycles while securely holding foam, wool, and microfibre pads.
• Professional Durability: Built to withstand the high power and large orbit of modern long-throw polishers.

Available Sizes

• 5 Inch (125mm)
• 6 Inch (150mm)

Specifications

• Thread Size: 5/16"-24
• Bolt Included: 24mm Long / 8mm Thread Bolt
• Locking Hardware: Star Lock Washer Included
• Material: Premium flexible PU (Polyurethane)
• Cooling Design: 8-hole Smart Heat Management ventilation system
• Compatibility: MaxShine M15, M21 and most Dual Action polishers using a 5/16"-24 spindle thread

How to Use

1. Select the Correct Size: Choose the backing plate that matches your preferred polishing pad.
2. Install the Backing Plate: Securely attach the supplied bolt and backing plate to your dual action polisher.
3. Centre the Pad: Carefully align your foam, wool, or microfibre polishing pad on the hook and loop surface.
4. Inspect Before Use: Confirm the pad is centred to minimise vibration and maximise polishing performance.
5. Polish Normally: Use with your preferred compound or polish following standard machine polishing techniques.
6. Inspect Regularly: Replace the backing plate if the hook material becomes worn or damaged.

PRO TIP: Using a 5-inch backing plate on a 15mm or 21mm long-throw machine often provides better pad control, improved access around curves, and reduced pad stall. Combined with the advanced cooling design, it also helps extend the life of your polishing pads during longer correction jobs.