The bjs 6501 e uses its 4 stage pendulum stroke function and 600 w motor to ensure fast clean cuts in almost any materials with variable speed control electronics and a non slip handle it allows for precision working in for both straight line and curved cuts features galvanized base plate stroke rate control technology can be swiveled to 45 to the left and right 4 stage adjustable pendulum stroke 0123 suitable for saw blades with t shank technical specifications power in