Tough and dependable, the high performance model 190 is the most powerful air tool APT provides. It is designed for big jobs such as heavy demolition and concrete breaking. The 160 model paving breaker is a versatile, hard-hitting tool that can be used for medium to heavy demolition work and concrete breaking, and is the perfect all around breaker. The model 140 is a rugged, yet lightweight, paving breaker designed for light to medium construction work. It is ideally suited for plant maintenance work such as light demolition of floors, pavement, frozen ground and masonry walls, and is very popular for bridge deck jobs. The model 140, 160 & 190 standard paving breakers are also available in an ergonomic style that APT calls their Airgo-Line. The model 117, the 30 lb. class paving breaker is the ideal tool for light to medium demolition work as well as for use in confined spaces. Models 117, 160, 160A, 190 and 190A features APT’s patented Ball Valve. (Pat.# 8,276,682 B2).