Professional flap discs for commercial or occasional use 4-1/2" sanding discs For use with a 4-1/2" (115mm) angle grinders and sanders 120 grit flap oxide disc 120 grit flap disc - so a relatively smooth disc for when you don’t want to remove to much material / rust etc... Perfect for removing rust, grinding of welds, parting lines on casting and carbon steels or removing rough edges on most surfaces The high grain adhesion is for a long life which outlasts conventional sanding discs With these flap discs there is no backing disc required, it fits directly onto an angle grinder Goggles should be worn when using this tool This listing is for a pack of 50 sanding discs SPECIFICATIONS • 120 Grit Aluminium oxide disc • 115 x 22.2mm disc • 4-1/2" x 7/8" (dimensions) • Maximum Speed RPM - 13300 • 80 M/s • Pack size - this listing is for a pack of 50 sanding discs