Nova Standard Pneumatic Tools are engineered and built for close quarter drilling for a variety of applications, including aviation, aerospace, automotive, and shipbuilding. Nova Standard Pneumatic Tools are designed ergonomically, reducing operator stress and muscle fatigue. The tools have a rear exhaust with bronze muffler, hardened alloy-steel planetary gears and heavy duty motor cylinder and rotor. Grease fittings in the motor housing and head provide for easy lubrication and smooth, quiet operation. The motor to head assembly adapter is built onto the motor housing, making for a self-contained unit, minimizing gear separation for increased tool durability and longevity. Designed to be used in combination with Pan American Tool's threaded shank adapter drills. The Nova Standard system offers 5 straight motor housings, providing a variety of speed and torque options with 19 interchangeable heads, allowing for drilling in even the most difficult to access areas.