This 76.5cc STIHL GS 461 Rock Boss Concrete Cutter is built for freehand cutting of construction materials, such as concrete, natural stone, building blocks, sewage pipes, water supply lines, ductile iron and general masonry. This machine allows cutting precision, such as contour, corner and hole cutting to a depth of 16”. There’s no need for complex and costly tool attachments and intensive manual work. This high cutting performance concrete cutter reduces possible cutting errors and helps to save time on the construction site. This unit is lightweight (18.1lbs) and offers easy handling, an ergonomic design and efficient water usage.