Motor with a very high copper content for higher performance, the winding armored with epoxy resin increases the service life of the motor Special jet stream cooling air ducting effectively protects the engine from abrasive dust particles; Vibration-absorbing additional handle for safe and fatigue-free work Speed ​​preselection via knurled wheel for material-specific work, constant speed maintenance for constant speeds - even under load Manufacturer's warranty 3 years for sale and delivery by Amazon. In the case of sales and shipping by a third party, the information provided by the respective seller applies