Durable 550W coppercore motor delivers efficient operation and helps prevent overheating, making it suitable for prolonged use without performance loss. Angle grinder with vertical and horizontal adjustment enables precise alignment with cutting seams, enhancing accuracy and user convenience. Engineered to tackle tough stains such as grout, mortar, and surface residues, allowing detailed cleaning tasks to achieve a spotless finish. Includes a versatile caulking and sealing set for gap and residue cleanup, ensuring bonding and a polished aesthetic. Use scenarios Clean grout lines and remove mortar residues on tiled surfaces in bathrooms, kitchens, or loading areas to restore a uniform, clean appearance. Prepare gaps for sealing by cleaning residues and then apply caulk to around windows, doors, baseboards, bathtubs, or sinks for durable, neat seals. Remove surface residues on concrete or tile, then use the included caulking and sealing set to seal joints and achieve a readytofinish surface with strong bonding.