High quality USA made non contaminating aluminum oxide cutoff discs are fast cutting , cool, odor-free High-speed, resin-bonded, precise and long-lasting. for Cutting and Finishing Cobalt and Hard Metals! Dimensions: 1 1/4" x .062"(31x1.6mm) box of 100 If you're looking for high-quality, USA-made, red, non-contaminating aluminum oxide cutoff discs specifically designed for fast, cool, odor-free cutting of cobalt and hard metals, consider these Abrasives Premium Red Aluminum Oxide Cut-Off Wheels that are perfect for demanding materials like cobalt and hard metals. Key features to look for: Aluminum oxide grain: High-quality, premium aluminum oxide blend optimized for fast cutting and minimal heat generation. Non-contaminating: Crucial for applications where material contamination is a concern, particularly with stainless steel or high-nickel alloys. High-speed, resin-bonded: This construction provides a balance of fast cutting speed and durability. Thin profile: A thinner disc allows for more precise cuts and reduced material removal. Reinforced fiberglass backing: Ensures strength and resistance to breakage, especially when cutting tough materials.