Chicago Pneumatic Rivet Buster

CP 4608D Teasing throttle for progressive hitting frequency gives better control of such a powerful machine Special Boyer valve makes the cylinder stroke effectively longer for more hitting power Boyer valve's high quality design makes the blow more consistent Forged steel handle for long life in rugged conditions Stepped Piston of hardened steel New buffer ring is now 90 durometer rubber for extra life Stepped piston to prevent accidental ejection of the piston Choice of cylinders: 11" (720 bpm) or 8" (1080 bpm) Choice of handles: Open grip with outside trigger; or "D" handle with inside trigger 1⁄2" inlet bushing