The cleaning professional for stone and wood surfaces with a high quality nylon polyamide brush roller 100 mm width 165 mm plus individually applicable side brush 100 mm width 50 mm features innovative one arm design to clean surfaces and all edges flexible speed regulation 450 1 070 rpm flexible right left rotation of the brush by turning the handle 180 protective cover for clean work ergonomic handle with cable strain relief adjustable ergonomic second hand grip telescopic