The Bosch GOP18V-40 StarlockMax® Oscillating Tool delivers a powerful and versatile performance, making it ideal for remodelers, carpenters, plumbers, drywallers, and more. The powerful and efficient brushless motor delivers 10,000-20,000 oscillations per minute with six speed settings. An intuitive user interface helps control smart features such as Auto-Stop, which halts the tool once it reaches the end of cut and Adaptive Speed Control that provides a soft start and automatically increases to the chosen speed. An improved 4º oscillating angle provides for faster, aggressive cuts and more efficient material removal. Equipped with a StarlockMax® 3-D tool-accessory interface, this oscillating tool delivers greater torque transfer for expanded work capacity. Experience enhanced efficiency with its snap-in blade change system that makes it easy to attach, remove or reposition blades. The StarlockMax® mount offers 8x faster accessory change compared to the Bosch standard OIS interface. The ergonomic design boasts a reduced gripping area and an improved vibration dampening design that helps reduce worker fatigue by 80% compared to its predecessor.