Heavy-Duty 7/8" Drilling Capacity Reversible Underwater Drill. Equipped with self closing roll throttle, breast plate and dead handle. Ideal for production work, boasting smooth operation for accurate drilling, reaming, tapping and wood boring. Possesses the lugging power to maintain speed when under load. Powerful and efficient for use in railroad shops, shipyards, tool rooms and all types of construction work. Features ball bearing support for long life. - 1/2" air inlet thread requiring avg air consumption of 39 cfm - Recommended hose size of 1/2" - Built-in lubricator - 2 hp motor - 2-3/8" feed length