53-Piece Set with Quick-Change: KQCXIK quick change sanding discs set includes 50 diamond discs (30 purple, 10 blue, 10 black) + 2 shanks (round and hex) + 1 roll lock holder. Quick-swap design boosts workflow efficiency for continuous projects High-Speed Performance & Diamond Durability: Diamond-coated nylon mesh discs deliver unmatched grinding efficiency with superior anti-shedding, ensuring smooth high-speed polishing and extended lifespan. Ideal for heavy-duty tasks like rust removal and surface prep, these discs save time and reduce replacement costs Universal 1/4" Shank Compatibility: Seamlessly attach to drills, die grinders, and rotary tools with the 1/4" roll lock holder. The precise fit enhances control for professional-grade results, whether stripping paint or refining metal surfaces Multi-Surface Versatility: Work effortlessly on metal, wood, concrete, fiberglass, and more. Efficient operation with minimal dust ensures clean results without damaging original surfaces—even on wet materials Precision Cleaning & Stripping: Tackle tough jobs like weld joint smoothing, ceramic polishing, and oil pipe deburring. The aggressive diamond grit ensures fast material removal while maintaining surface integrity Transform your sanding and grinding tasks with these versatile Quick Change Discs. These attachments are designed for efficient material removal and surface preparation, making them ideal for both professional craftsmen and DIY enthusiasts. The quick-change system allows for fast and easy disc replacement, minimizing downtime during your projects. Perfect for metal fabrication, woodworking, and surface finishing applications, these discs deliver consistent results. The robust construction ensures durability while maintaining aggressive cutting action throughout the disc's life. Whether you're smoothing welds, removing rust, or preparing surfaces for finishing, these discs provide the flexibility and performance you need. Compatible with standard power tools, they're an essential addition to any workshop's arsenal of abrasive solutions.