The ASE 18 cordless reciprocating saw is now available with a lithium-ion battery. The saw and its “Quick” blade changing system facilitate easy, tool-free blade changes. The use of lithium-ion batteries, which weigh less than traditional rechargeable batteries, makes the tool lighter and easier to use. Other features include an ergonomically designed handle to reduce operator fatigue and allow closer access to difficult to reach locations; a tool-less adjustable depth stop and a two-finger power switch that increases user comfort. The saw delivers 0-2,700 strokes per minute, with a stroke length of 1 inch.It is 19.5 inches long, weighs 7.7 pounds and comes with a charger, two battery packs and an assortment of saw blades. Applications include heating and air conditioning, among others.