Universal Tool's UT8651R 1-Inch Stroke Air Chipping Hammer features a crisp plate valve for extra hard hitting and control. Ergonomically advance design for operator comfort. Heat treated precision cylinder and piston for long life. Rugged four bolt construction for extra duty. Uses standard .680 round shank oval collar chisels. 7/8-inch - 24 Inlet bushing available upon request (sold separately). Best for foundry plant maintenance and general contractor work. Specifications: Oval Collar Retainer, Steel Handle, 2450 BPM, Bore 1-1/8-inch, Stroke 2.5-inch, Bushing .680-inch round, Rec. Pressure 90 psi-6.2 bar, 3/8-Inch NPT Air Inlet, Rec. Hose 1/2-inch (I.D. in), Air Cons 24 CFM, Av. Air Cons 6.0 CFM. The Universal Tool nameplate is a symbol for quality and workmanship with innovative products featuring the latest advances in air tool design. At Universal Tool, performance proven products and people are something you can trust today and tomorrow.