Cheston One 21V Brushless Mainframe Multi Power Tool - 7-in-1 Functions | Variable Speeds up to 24,000 RPM Multi Head Power tool (Battery & Charger Not Included) (Multi Head Power Tool) Robust 21V Voltage for Reliable Power: Cheston's cordless Mainframe power tool packs a substantial 21V voltage, ensuring consistent and robust power delivery for your various tasks, whether it's drilling, cutting, or fastening. Efficient and Durable Brushless Motor: This tool is equipped with a high-quality brushless motor, known for its efficiency and durability. The brushless design reduces friction noise, extends the motor's lifespan, and ensures optimal performance throughout your projects. Versatile No-Load Speeds: With adjustable no-load speeds ranging from 13,000 to 24,000 RPM, this tool caters to a wide spectrum of applications. Whether you need precision at lower speeds or rapid cutting at higher speeds, it adapts to your specific needs, offering exceptional versatility. Ultimate Multi-Tool Convenience: Cheston's cordless power tool simplifies your work with its one-key tool head replacement system. You can effortlessly switch between various tool attachments, from drilling to grinding and more, making it an indispensable all-in-one solution for your DIY and professional tasks. Cost-Effective 1 N Design: Embracing the innovative 1 N concept, this tool allows you to select and purchase only the tool heads you require. This not only saves you money but also conserves storage space, making it a cost-effective and space-efficient choice for your home projects.