Stanley STMT99300-8 1/2 inch 610 N-M 450 FT-LBS Impact Wrench

Patented hammer case improving durability 5 speed forward and reverse Balanced weight design and handle exhaust directs air away Hammering mechanism: Twin Hammer Vibration :5.20 m/s2 Noise level: 95 db Under no load Housing: alum Exhaust: handle Air inlet: 1/4" Weight 2.58 kg