【20-30mm Adjustable Grooving Depth】Slot Width: 25mm/0.98inch, 35mm/1.37inch, Slot Depth: 20-30mm/0.78-1.18inch.The wall chaser comes with an adjustable grooving depth(20-30mm), which can meet your different grooving demands. 【1100W 1600r/min Efficient Slotting】The 1100W machine comes with a professional rotating shaft and a high-performance cutters heads, improving grooving efficiency and saving you time and effort. This Wall Groove Cutting Machine is made of high-quality aluminum, copper, and plastic with plastic spray and paint spray processes, making it sturdy, durables, and abrasion, and impact. 【With Anti-self-locking Switch】This Concrete Cutting Machine comes with an anti-self-locking switch, and over-current and over-voltage protection to keep you and the machine safe in the event of an accident or malfunction.The heat dissipation ports and air intakes on both sides of the product allow for faster heat dissipation, preventing excessive temperature during high-speed operation and extending the service life of the machine. 【Dust Extraction Port & Wide Application】You can connect a dust bag or dust collector(not included) to reduce the harm of dust to operators and be more environmentally friendlys,This Wall Chaser Slotting Machine is suitable for grooving light bricks such as hollow bricks, foam turnings, aerated bricks, and white bricks. 【Easy to Operate】Electric Wall Chaser Sturdy and wear-resistant roller for smooth operation. Non-slips movable handle is easy to grip.For a short break, you can switch off the Wall Chaser and attach it on the wall.It won't fall down. Longer power cord (3.0m) for easier operation.