High Efficiency Sanding Design: The 5inch 8hole pneumatic sanding disc tray is made from premium PU, enhancing wear resistance Its unique 8hole design improves ventilation for faster and heat dissipation, overheating—ideal for auto detailing and woodworking Lightweight Build: Crafted from, safe PU meeting international standards, it ’ s 20% than metal trays for easier handling.for users in polishing and grinding work Strong Compatibility: This sanding disc base fit for BO5041 MT922 MT920 electric polishers and perfectly matching 5inch sandpaper, eliminating size mismatch concerns Quick 3second installation boosts efficiency for frequent sandpaper changes in repair and maintenance tasks Ergonomic Grip Comfort: Designed with soft rubber covered handle for grip, it reduces fatigue by 50% compared to hard handle—perfect for prolonged sanding, ensuring comfort and precise High Strength Adhesion: Features a special adhesive design that secures sandpaper firmly, even under intense use, with strong hold than standard products Focus on your task without worrying about slippage, ideal for and professional projects, Manufacturer: Kaeltsyn