Ryobi P515 One+ 18V 7/8 Inch Stroke Length 3,100 RPM Lithium Ion Cordless Reciprocating Saw with Anti-Vibration Handle (Batteries Not Included, Power Tool Only) QUICK BLADE CHANGES: No tools necessary to change blades! Simply unlatch the front and the blades will pull out easily. This tool is compatible with any T-Shaped blade, which will slide and lock right into the system VARIABLE SPEED TRIGGER lets you change your power from job-to-job. Increase pressure on the trigger to increase the cutting speed and power of the saw ANTI-VIBRATION HANDLE: Work in comfort. Springs and rubber plates found inside the system make the rattling found with reciprocating applications easier on your joints, letting you work longer and more accurately RUBBER OVERMOLD lets you keep a grip on this power tool, even in slippery conditions ONE+ COMPATIBLE: This saw works with different types of Ryobi 18V batteries, including the P100, P101, P102, P103, P104, P105, P107, and P108