Pendulum jigsaw series bosch gst bosch professional workable materials wood cutting saws metal cutting saws power 780 watt min strokesminute 500 maximum strokes per minute 3 100 pendulum action stages 4 stroke height 26 mm power supply electric saw operating voltage 230 v maximum cutting depth wood 35 mm maximum cutting depth aluminium 20 mm maximum cutting depth steel 10 mm weight 27 kg features dust extraction sds tool reception length of