Ryobi One+ P523 18V Lithium Ion Cordless Orbital T Shank 3,000 SPM Jigsaw (Battery Not Included, Power Tool and T Shank Wood Cutting Blade Only) 4 ORBITAL SETTINGS: The higher the setting, the faster you can cut into wood. These higher settings are ideal for making straight cuts into lumber, with lower settings for making curves or cutting into metal BUILT-IN DUST BLOWER: This feature on the tool will help you clear debris away as you work, giving you clear vision LED LIGHTING gives you improved line-of-sight in poorly lit conditions BLADE SAVING BASE: As your blade wears out, you can drop the foot. This allows the blade to dig deeper, using fresher teeth near its base. With this, youll use your whole blades, keeping them fresher for longer TRIGGER LOCK SYSTEM: Pull the trigger and press the button on the side of the unit to activate the locking system. With this feature, you can focus all of your energy on controlling your cuts the way you want to