Norton 68319 Drywall Sanding Screen, 80 Grit, 4-3/16" x 11-1/4" Dry Erase Boards Inside Calipers are used to

Inside Calipers are used to gauge the inner diameter of an opening and then transfer that measurement to a ruler

Heavy-duty solid high-density yellow polyethylene ring construction will not crack or fade

alcohol and household chemicals

Engineered drill point and flute (pilot section) helps remove material efficiently and sizes the hole for threads

131 smooth

Norton 68319 Drywall Sanding Screen, 80 Grit, 4-3/16" x 11-1/4" Dry Erase Boards Inside Calipers are used toHighlights: Size : 4 3 16" x 11 1 4" 80 Grit Use for rough to final machine sanding Sands through light paint, varnish and rust Use on wood, metal, plastic and fiberglass