This listing is for a pack of two top quality lift off chrome knuckle hinges. Precision machined for friction-less operation. Concealed fixing design with M6 threaded mounting holes behind. As fitted as an OEM part by many truck/trailer manufacturers but also popular as a high quality alternative on motorhomes, caravans etc... 16mm wide blocks, 76mm total height. 7mm diameter hinge pin. Chrome plated mirror finish. Suitable for up to 180 degree opening.