This listing is for a pack of four (two left, two right) top quality, industrial grade lift off stainless steel hinges. As fitted as an OEM part by many truck/trailer manufacturers but also popular as a high quality alternative on motorhomes, caravans etc... Designed to be surface mounted with four 10mm mounting holes. 270 Degree Opening. Made from (AISI graded) 304 stainless steel. 100mm Tall and 76mm Wide. (When open) 16mm Tall.