This listing is for a pack of four top quality, industrial grade steel butt hinges suitable for heavy duty applications. As fitted as an OEM part by many truck/trailer manufacturers but also popular as a high quality alternative on motorhomes, caravans etc... Weld-on Heavy Duty Design or can be drilled and bolted. 270 Degree Opening. Supplied in self-colour steel. 101mm Tall and 72mm Wide. (When open)