5 products 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... RINGFEDER JK retrofit kit for RF50 When reversing, an acoustic signal alerts the driver via a buzzer if the drawbar angle is at the risk of jackknifing, preventing equipment damage, downtime and costly repairs. The buzzer is connected ... Gauge Gauge suitable for coupling and drawbar eyes 40/50 - only suitable for pre-departure check (not calibratable) Screw kit Drawbar guide