This listing is for a top quality, industrial grade polyamide plastic hinge with stainless steel pin. Ideal for use outside, when corrosion can be an issue for metal 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 countersunk mounting holes. 180 Degree Opening. Made from a strong, reinforced polyamide plastic. Multiple fingers for strength. Made in Italy. 48mm Tall and 49mm Wide.