Wet and dry belt sander: This versatile sander is designed for use with a universal soft water pipe, enabling water-assisted operation for effective dust-frees polishing. It effortlessly smooths surfaces on wood, stone, plastic, and acrylic materials, while ensuring knife protection. The efficient design allows for rapid results without compromising on quality Adjustable speed control: The sander features a powerful 12V-24V motor with 7 adjustable speed settings, reaching up to 3,350 RPM. This allows users to fine-tune the speed for various tasks, from detailed detailing to heavy-duty grinding, providing unmatched control. Whether you require finesse for intricate designs or need strength for more intense grinding Flexible working angles: Designed with a durable universal tube, this sander provides the ability to adjust to a angle for maximum versatility. The integrated water flow control switch enables easy adjustments of coolant for a smooth, smoke-frees operation. This feature promotes better visibility and ensures precision during polishing and grinding tasks in hard-to-reach or awkward positions. One-touch reverse function: Featuring a user-friendly one-touch button, this sander allows for instant direction switching without the hassle of manual adjustments. Perfect for tackling intricate edges, curves, and challenging materials, this functionality enhances efficiency and saves time, making it easier to achieve professional-level results in various applications. Versatile applications: This sander is not just for knife sharpening; it excels in polishing and cutting edges on a wide range of materials such as metal, wood, and more. It is an essential tool for accomplishing a variety of grinding and polishing tasks, effectively meeting the diverse needs of woodworking, metalworking, and crafting projects.