1. Suitable for quick and clean cutting of wall chases Groove cutting depth can be set 2. Easy operation: work should take dustproof glasses and Mask. Had better install vacuum cleaner to reduce the damage to human body. 3. Safe and ergonomically optimum handling: Groove cutting depth can be set .An Angle of 90 degrees can also be cut .Safe and ergonomically optimum handling . Ensure the safety of the users by the electric leakage protector . 4. Multifunction: Widely application: adapt to different materials of wall, such as: red brick. Sand brick. Brick. Water brick. Cement cover wall. for electricians, plumbers and other contractors ., Manufacturer: RSGXLFQZVAK