118 x 34, A5 Mounted Shank Point, Made From Durable, High Grade, 60 Grit, Aluminum Oxide, Perfect For Grinding, Polishing Or DeBurring Ferrous Metals Or Other Hard Surfaces, For Use With 14 Chuck High Speed Drills, Especially Useful Where Larger Wheels Will Not Fit Or Where Small Abrasive Wheels Wear Out Too Quickly, Carded.