Dry-Cut Diamond Wheel, 4-In. Brand_Johnson Level 1/4" FNPT 150 PSI maximum

1/4" FNPT 150 PSI maximum air line pressure

Features a jeweled pivot and luminous letters

1/4" quick-change shank is designed to work with impact drivers

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

Dry-Cut Diamond Wheel, 4-In. Brand_Johnson Level 1/4" FNPT 150 PSI maximum4", 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.