4-1/2" Polifan Flap Disc - Flat (PFF " Type 27), Universal Line PSF Z-Extra, 60 Grit, 5/8-11 Thread, Coarse Grade, 13,300 Max RPM, Suitable For Steel, stainless steel (INOX) Materials

POLIFAN PSF ZIRKON-EXTRA range of flap discs features a special flap arrangement to provide flexibility and a cushioned grinding effect. Built with premium Zirconia abrasive material, PSF ZIRKON-EXTRA is constructed with 40% more material than standard PSF flap discs, providing a long service life and an improved surface finish. INOX-rated: Free of iron, sulphur and chlorinated fillers; suitable for use on stainless steel (INOX)Application: Surface grinding, work on weld seamsRecommendation for Use: While these discs perform on all power outputs, high-powered angle grinders will achieve optimum results.