Worx ExacTrack 6-1/2 in. Cordless 20 volt Circular Saw Kit 4900 rpmWorxs cordless Circular saws just became easier to use with the new ExacTrack guide. ExacTrack is an innovative function, which can help to make a straight cut easier by keeping the blade flush against the cutting guide board. In standard mode, the saw will be set up for regular 90 degree or bevel cutting. Worx Power Share tools lets you tackle every job with our 20V Max Battery. Simply swap out tools with a click and you're on to the next project.