10 products Jackknife indicator RINGFEDER Automatic Coupling Oiler Proper lubrication eases movements and makes the coupling less prone to wear and corrosion. This increases reliability and reduces the need for repairs. Coupling oil Maximum protection from salt, dirt, moisture, frost and oxidation. Does not congeal at low temperatures. Specialized on this application: A multipurpose oil needs to cope with many applications/deman... Gauge for Hook coupling Special gauge for measuring the wear of the hook suitable for all RINGFEDER automatic hook couplings Valvebox RINGFEDER AM mechanism operating kit Valve box C-Coupling RINGFEDER AM mechanism operating kit C-Coupling Palm RINGFEDER AM mechanism operating kit Palm Duomatic RINGFEDER AM mechanism operating kit Duomatic Gauge Gauge suitable for coupling and drawbar eyes 40/50 Protecting pad Protection for tow coupling 6434, 6441, 6451 and 6451V