Diamond Chainsaw Sharpening Bits for Carbide Chain - 7/32'' | 10PCS Grinding Stones, Optimized for Carbide & Standard Chains, Electric Grinder

[Engineered for Carbide Chains] Specifically developed for carbide-tipped chains, each bit features a diamond coating for clean and precise sharpening—keeping your high-performance chains at peak cutting power.

[Exceptional Durability] Lab-tested to sharpen up to 50 carbide cutters or 100 standard cutters with just one bit. The ultra-hard diamond layer resists wear, chipping, and flaking even under heavy use.

[Fast, Efficient Sharpening] Delivers smooth, accurate results in minutes—up to 8× faster than hand filing. Restores chain edges quickly to save time and maintain peak cutting speed during tough jobs.

[Simple to Use with Rotary Tools] Specifically made as heads for electric sharpeners, while also fully compatible with other 1/8" shank rotary tools for flexible use. Just insert, lock, and start sharpening—no setup or complex guides needed.

[Four Sizes, Ready for Work] Each variant includes 10pcs of diamond bits in a single size: 5/32", 11/64", 3/16", or 7/32"—covering all common chain pitches and ensuring the right fit for your chainsaw.