It allows for a stepless and uncomplicated adjustment of the cutting depth and features a 35 mm dust extraction port. With a handle that can be screwed in on both sides for full protection and a steep suction nozzle for close cutting work. This guide rail is a tool-free guide rail with a suction connection for use with angle grinders. Diameter: 180 mm. Suitable for various models, including GWS 20-180, GWS 20-180 H, GWS 20-180 JH, GWS 21-180 HV, GWS 21-180 JHV, GWS 22-180 H, GWS 22-180 JH, GWS 23-180 / 180 J, GWS 24-180, GWS 24-180 B + SDS, GWS 24-180 BV + SDS, GWS 24-180 H, GWS 24-180 JBV, GWS 24-180 JBX + SDS, GWS 24-180 JH, GWS 25-180 / 180 J, GWS 26-180 B, GWS 26-180 H, GWS 26-180 JH, GWS 26-230 BV + SDS, and GWS 26-230 JBV. Professional.