Art.NO.: QL-CS52 Engine: 1E45F Engine type: single cylinder, 2-stroke, air-cooling Displacement: 52cc Starter mode: Hand starer Fuel: Gasoline:Two-stroke oil =25:1 Fuel tank capacity: 550(ml) Carburetor: Diaphragm Ignition system: C.D.I. Rate power: 2.2kw/8500rpm Oil feeding systems: Automatic pump with adjuster Max. cutting length: 50cm Saw chain pitch: 3/8(in) Chain saw gague: 0.058(1.47) Guide bar size(in): 16", 18", 20" Weight (Not including guide bar and chain): 5.1kgs Packing size (length * width * height) mm: 485*260*305mm