DEWALT XP Extended Performance Diamond 4.5 in Cup Wheel Monoxide Detectors Sub Brand Universal Measure Type Standard Sub Brand Universal Measure Type Standard (SAE) Size 5 8 in Material Steel Finish Matte Head Design Standard Handle Design Standard Number of Teeth 72 Arc (Degrees) 5 Degree Offset (Degrees) 15 Points Spline Flexible Head No Reversible No Universal Yes Quick Release N A Set Individual Individual Case Type N A (no case) Weight (lbs Item Weight 4 Material Aluminum Intake Exhaust Exhaust Screen Included No Mounting Position Gable Mount Shape Square Returnable 180 Day Features Automatic Shutter High diamond concentration for long life and aggressive material removal Large grinding segments with heat treated steel bodies which provides increases durability and wheel life Dry grinding of concrete and other masonry materials Also used for smoothing of uneven surfaces double rim provides longer life and more aggressive material removal 4 1 2 in double row diamond cup grinding wheel blister