... 1800W~2400W, in-line motor 16"/18" Oregon / Chinese bar+chain chain speed 15 m/s with SDS overall ... with SDS2. with Oregon bar & chain, optional Chinese bar & chain3. with softgrip on rear handle4. with FFU GOOD quality5. with in-line motorWhy trust in ... tooling optimization, cost downPatent issues:Cooperate closely with several patent offices in Frankfurt, Hamburg, Munich, etc.Delegated cooperation: ...