Channel rail adaptors type CRA, for the fixing of pipe / tube clamps and hose clamps of the Twin Series according to DIN 3015, Part 3, in conjunction with many common profile rails and installation rails by other manufacturers, including STAUFF, Halfen, Hilti and Unistrut. Manufactured from steel with STAUFF zinc/nickel coating for reliable corrosion protection. Alternatively also available in stainless steel V4A 1.4401 / 1.4571 (AISI 316 / 316 Ti).