King Arthur's Tools® Holey Galahad® 47851 Round Disc, For Use With 4-1/2 to 5 in Angle Grinders with Our Recessed Universal Nut, 4 in Dia, 90 Grit, Coarse Grade, 14000 rpm Speed

For rapid wood removal of rotten wood, excess wood, bark, high spots, ridges and chain saw cuts, leaving a coarse but even finish on contoured and convex surfaces

• Feature patented structured tungsten carbide teeth bonded to steel discs over the total cutting surface
• Tungsten carbide needles are manufactured in a 5-stage patented process
• With the 6-hole "see through" technology, every Holey Galahad is engineered to "open a window to your work"
• There's no stopping to continuously lift the angle grinder to check your progress and provides you with an uncanny ability to see the surface being sanded through the disc as it spins
• It's also very fast and smooth
• The disc can be used on both its face and edge surfaces
• The disc retains excellent value
• It can be cleaned and reused multiple times, saving hundreds of dollars in using fine grit flap disc sanders, time, labor and effort