The M18™ REDLITHIUM™-ION battery pack (not included) fits all M18™ tools

External hex drive avoids jamming common with hex bar driven studs

Spindle Speed Free Cutting Steel RPM: 1054

(1) Brush Tool

40mm Bi-Metal Hole Saw 7010-40 by Bordo Air Mitre Saw The M18™ REDLITHIUM™-ION battery packBordo bi metal hole saws are premium quality, general purpose saws suitable for a wide variety of materials and applications. The high speed steel cobalt (HSS Co) cutting edge provides shock resistant teeth and resists tooth strippage. 4 6 positive tooth configuration allows for fast, smooth cuts and less vibration. Features: HSS Co Cobalt cutting edge 4 6 variable tooth configuration 48mm (1 7 8") depth of cut 5mm (3 16") thick heavy duty backing