[. . . ] [. . . ] Professsional quality centrifugal clutch Outside sprocket Adjustable metal oil pump Catalytic converter to clean the exhaust gases Big tank cap, easy reachable. S-form with acme thread for easy operation 33 cm markings on the rear handle for cutting wood to length 4 steel springs for low vibration Lateral chain tensioning Two bar studs for reliable bar fastening DOLMAR Power Products . [. . . ] [. . . ]