Grinder Dust Guard For Use With Mfr No 1800 Mfr No 1801 Mfr No 1803EVS Mfr No 1806E Mfr No 1810PS Mfr No 1810PSD Mfr No 1811PS Mfr No 1811PSD Mfr No 1821 Mfr No 1821D Number of Pieces 1 Application Surface Grinding Features Toolless Attachment Includes Removable Nose Piece For Wheel Dia 4 1/2 in 5 in