This Eurospec Enduro Grade 13 Slim Knuckle Square Hinge SCH14325/13 is part of the Carlisle Brass Eurospec Range, the Carlisle Brass Enduro Range & the Carlisle Brass Hinges Range. Carlisle Brass offer a wide range of contemporary & traditional style door handles & hardware. With a great mix of styles & products, Carlisle Brass are one of the UK&0s leading door hardware suppliers. This hinge is BS EN 1935 which is the British/ European standard requirements & testing methods covering single axis hinges. The UK Construction Products Directive requires that door hardware for use on fire doors be safe & durable. This door hinge also come with a 25 year mechanical guarantee. Carlisle Brass have a wide range of different styled door handles & accessories, check out the rest of the range here!