- Premium Zirconia alumina grain with a poly/cotton heat-treated backing. The poly/cotton combination provides low stretch and strength for long working life.
 - Active grinding agent provides cool cutting with only light pressure.
 - Contaminant-Free. Contains ≤0.1% iron, sulfur, or chlorine for rust-free and corrosion-free results. Stainless steel won't rust.
 - Z3 mini flap discs are designed to prevent walking, allow access to tight areas and reduce heat build-up.
 - Roll-On and Turn-On attachment styles for quick disc changes.