4 1/2″ × 7/8″-40 Grit – Zirconia-Stainless Straight Flap Disc
•Z3 BEST OVERALL VALUE 100% Zirconia with poly-cotton heat-treated backing. Excellent on carbon and stainless steels. Provides fastest grain removal on the market for carbon based steels while also offering excellent life. •Z-Stainless THE BEST ON STAINLESS Premium Zirconia and Aluminum Oxide blend with a third layer of resin “grinding aid” containing lubricants to reduce heat and excel on light pressure applications. Excellent on both stainless and carbon based metals. •T-27 APPLICATIONS: Use when working on flat grinding surface.