Anti-vibration system ;Compensator ;ElastoStart ;Quickstop chain brake ;Side chain tensioner ;Single-lever control Chain saw Model:NG57Name:Chain SawProduct DescriptionParameter: Displacement: 56.5cc Power output: 3.0Kw /4.1 PS Idle Speed: 2800 rpm Grant Max. Speed: 12500rpm Lpeg: 102dB(A) Lweg: 113dB(A) Left hand Aeg: 4.6m/s2 Right hand Aeg: 5.7m/ s2 Ignition: CDI Features:Anti-vibration system ...