The JET 550623 JCT-3623 4 in. Stroke Hex Shank 4-Bolt Chipping Hammer is designed for extra strength and provides better grip. Each type has the option of round or hex shaped bushing shanks. Each model can accommodate standard oval collared chisels and retainers, making these heavy-duty Chipping Hammers a staple on any construction site.
Heat treated cylinder and piston for added durability
Heavy-Duty, industry proven valve design
Ergonomic "D" style forged handle with outside trigger
Easy servicability with the 4-Bolt backhead
Comes with standard type retainer
Performace @ 90 PSI. Air Inlet NPT 3/8". Min Hose Size 1/2"