The Black and Decker Piranha Saw cuts almost anything, including up to 1" thick wood, thin metal, plastic and drywall. It offers a tool-free blade change and uses T and U shank jig blades or recipe blades. The 12V lithium-ion battery can maintain its charge for up to 18 months. The ergonomic handle of this Black and Decker jig saw makes it comfortable to use for extended cutting jobs. The central location of the battery also helps make the device more balanced. In addition, the battery on this 12V saw can be removed for charging by depressing a simple clip. The exclusive clamping jaw secures branches for a clean cut with less vibration. It's also very compact and has a lightweight design that reaches into tight spaces where other saws can't. It is ideal for pruning branches as well as removing shrubs and bushes. The versatile 12V saw can also cut down small trees.