Which cylinder is required? F. Tepaße Updated November 14, 2023 15:51 Follow You need a profile half cylinder 30/10. Total length 40mm. Related articles What are the dimensions of the key switch surface-mounted/flush-mounted? Operating instructions RolloPort coding switch radio Operating Instructions Wall Transmitter 2-Channel RP-SX5-HS-RF11 What are scenes? Which sun / twilight sensor is required?