Cut between studs and other tight spots with ease using the 20V MAX* XR brushless compact reciprocating saw. Featuring a brushless motor that provides up to 2. 5X longer runtime* and a variable speed trigger that delivers up to 2,900 spm. This saw delivers fast and efficient performance and offers quick blade changes for versatility in a variety of applications. This tool is compatible with all 20V MAX* batteries and chargers.