20 Volt MAX XR Lithium Ion Cordless Brushless Compact Reciprocating Saw Kit with Battery 5Ah, Charger and Contractor Bag Battery Charger:1 Battery & Charger Included 56 Total Package Quantity 11 Item Weight:11.0 oz 56 Total Package Quantity 11 Package Count 11 Package Type Individual pack Stud Spacing (Inches) 16 Framing Type Wood studs Fits 2 x 4 Walls Yes Fits 2 x 6 Walls No For Use in Walls Yes For Use in Basements Yes For Use in Crawlspaces No For Use in Attics No For Use in Ceilings No For Use in Floors No Sound Barrier Yes Formaldehyde Free Yes Vapor Retardant No R Value per Inch 3 Variable speed trigger matches the airflow to the application without a dial Variable speed trigger delivers up to 2 The brushless motor helps to provide up to 2