6 products ECE R55-01 Ringfeder® hook coupling RUwg This is a series of automatic hook-type couplings intended for special applications. These couplings are available in different flange sizes and should be used with toroidal drawbar eyes only. Standar... ECE R55-01 Ringfeder® hook coupling RUWG K0E This is a non-automatic hook-type coupling for special applications and should be used with toroidal drawbar eyes only. Standard VG 74059 compliant. RINGFEDER® hook couplings: - are more robust and ... ECE R55-01 Ringfeder® hook coupling RU K5 DV Automatic hook-type coupling for toroidal drawbar eyes. Standard VG 74059 compliant. RINGFEDER® hook couplings: - are more robust and safer due to forged materials - have improved performance values... ECE R55-01 Ringfeder® hook coupling 663 Automatic hook-type coupling for toroidal drawbar eyes. Standard VG 74059 compliant. RINGFEDER® hook couplings: - are more robust and safer due to forged materials - have improved performance values... Ringfeder® hook coupling 663 Automatic hook-type coupling for toroidal drawbar eyes. (without type approval) RINGFEDER® hook couplings: - are more robust and safer due to forged materials - have improved performance values to m... Ringfeder® hook coupling 65 Non-automatic hook-type coupling for toroidal drawbar eyes. Available for G/125, G/135, G/140, and G/150. Standard VG 74059 compliant. This coupling is not ECE type approved. RINGFEDER® hook coupling...