Dry-Cut Diamond Wheel, 4-In. Brand_Johnson Level tempered steel with a flat

tempered steel with a flat claw for easy wedging and minimal wood damage

approved pcd polycrystalline diamond tipped hardie blade generates 5% less respirable dust

For use with rotary tools for fine detail work

Included P100 low-profile cartridges feature rear-entry air flow that helps keep debris out of filter and makes fit checking easier

1/4" FNPT 150 PSI maximum air line pressure

Dry-Cut Diamond Wheel, 4-In. Brand_Johnson Level tempered steel with a flat4", Dry Cut Diamond Wheel, 20 MM, 5 8", 7 8" Arbor, For Cutting Brick, Block & Tile, Fast Shallow Cutting, Matrix Design Minimizes Chipping, Steel Body Delivers Constant Depth Of Cut & Advanced Diamond Matrix For Longer Life & Enhanced Material Removal, Lasts Up To 100 Times Longer Than Abrasive Blades, Used On 4" & 4 1 2" Grinders, Carded.