The RETECFLEX is the first renovation scouring machine that has been designed to carry out four different applications and all with dust extraction. Scouring, concrete grinding, perforating and paint sanding. Therefore, a wide range of uses are possible for renovation or modernization. The guide base for scouring or perforating and the extraction guard with swivel segment for working close to edges can be exchanged and height adjusted without the need of tools. The RETECFLEX has many holding possibilities on the motor, additional hand grip and extraction pipe.