This is a new NATO coupling lock perfect for use on your Sankey Trailer to give added protection from theft. Photographed here fitted to my sankey trailer. Manufactured with 3mm laser cut steel plates top and bottom, and an internal distance tube. Locked together with a steel bar, and secured with a draper 56mm close shackle padlock which is enclosed inside a steel channel pocket to protect the padlock from crow bar breakage. All parts powder coated bright red. The padlock and two keys are supplied with the assembly.