Straight guide assembly, Collet cone Switch type button Lock-on function Soft start Variable speed control Electric brake Anti-restart function. LED job light with pre-glow and after glow function Auto-Start Wireless System (AWS) - connects to compatible dust extractors with Bluetooth. The dust extractor automatically runs while the switch is on. Dust collection (forced dust collection) Base type - Trimmer base aluminium Soft brake - the gentle stop of the product reduces the damage to work material due to the reaction of the stop