[Professional Pressure Brush]- This brush is compatible with all standard ACME ¾ threaded extension poles, which allows you to go from easy to hard-reach areas with a simple twist on, this brush head can be used for cleaning your window, wall, siding and etc (7.9''*2.75‘’*3.15‘’） （0.75‘’ hole) [Super Soft Bristles]-The bristles are incredibly soft, so there is no need to worry about damaging and scratching car finish. As a cleaning tool, it will not leave any mark while scrubbing, providing you with decent cleanup experience [Premium Quality]- Our brush is made of high quality PP bristles, durable has a long service life, it is suitable for cleaning various surface. This brush also can be easy to set up and quick cleaning most surface. [Wide Application]-The brush provide a better wiping for outdoor cleaning job, increases your cleaning efficiency. Suitable for washing cleaning the high building wall, outdoor window or the car washing. [Quality Assurance] -The design of the brush can make it easily clean the areas which is difficult to reach, providing a great cleaning experience. High pressure washer brushes