JET 3 Inch Stroke .680 Round Air Chipping Hammer - Heavy DutyROUND CHIPPING HAMMER - JET's Round Air Chipping Hammer is a powerful and hard-hitting tool that offers the perfect balance of performance and life; Featuring .680 round shank with a 3" stroke lengthSAFE - Outside teasing throttle for safety and controlDURABLE - Saw tooth handle to cylinder connectionINCLUDES - Standard retainer & retainer springSPECIFICATIONS - 3/8" air inlet (NPT), average air consumption 25 cfm, 1920 blows per minute, product length 14-7/8", product weight 14 lb (6.3 kg), piston diameter & stroke 1-1/8" x 3", min. hose size (ID) 1/2"