Chain Link 4" Adjustable 180° Offset Arm Hinge Industrial Gate Hinge (Malleable Steel) - Adjustable 180 Degree Gate Arm Hinges - Chain Link Fittings | Chain Link Fittings
Locinox Serval 180 Degree Spring Hinge For Round Profiles - F H Brundle
Face Frame Hinge - Hidden gate Hinge Stainless Steel Invisible Door Hinges,180 Degree Zinc Alloy,43.7mm/60.4mm/ 68.8mm/94mm (Size : 43.7mm) : Amazon.co.uk: DIY & Tools