The 4000 has been a powerhouse tool for the Dremel brand since 2012, offering high-performance, maximum versatility and force, and the endurance to keep your projects moving. The NEW Dremel 4000 delivers the same trusted quality, high-performance motor, and ergonomics while sporting a fresh new look featuring a sustainably engineered tool housing made from recycled plastic. 33% more powerful than then Dremel 3100, the 4000s powerful 1.6 Amp motor provides maximum performance and high power at all speeds (5,000-35,000 RPM).