This product is made of aluminum, copper, nylon, and carbon steel, and can cut various materials. Dust-freeSlotting: The water pump with a 16.4ft hose can supply water quickly, improve cutting efficiency, reduce dust splashing during cutting, lower the temperature of the saw blade while extending its service life, and protect your health. Humanized Design:The ergonomic main handle meets horizontal or vertical cutting needs, the front auxiliary handle is easy to control, and the two together can achieve good balance and high cutting performance. High Efficiency:With 4000W strong power, 3000rpm high speed, manually adjustable slot depth, and thickened sharp blades of 16.14" in diameter, it can do one-time grooving with a maximum grooving depth of 6.5" on the wall without secondary processing. Adjustable Depth: You can adjust the slotting depth (6.5 inches max) by adjusting the base plate of the product to meet the different needs of daily work., Manufacturer: QAXRZCUCD