With variable cutting speed control and pendulum stroke adjustment the gst 108 v li allows for total control when cutting metal and wood utilising bosch lithium ion battery technology this jigsaw is a high performance top quality machine that produces fast accurate cuts all day long it operates at speeds of up to 2800rpm produces mitre cuts between 0 amp 45 degrees and features a built in led worklight that promotes accuracy and ease of use it is also very versatile and not restricted