The Mighty-Seven Air Pistol Grip Needle Scaler, No. SN-2124, delivers all the power and efficiency a technician needs in a tool for removing substances from metal surfaces. The piece is a total of 13 9/16” long and weighs in at 7.9 lbs. With a low vibration of 14.8 m/s2 the tool is easy to handle and reduces stress from prolonged use, according to the company.