Whitco Hook Hinges Hook Hinges Hook Hinges Metal detachable hinge for awning windows. Available in Trade Pack Only. Features of the Hook Hinges Pressed galvanised steel Allows easy removal of sash from frame Pack contains both left and right hand set for a complete window Standard with prong for timber windows Specification Dimensions Close Downloads Whitco Window Accessories Catalogue.pdf (.pdf, 478 kB) Close Ordering Trade Pack Window Set - Includes Left and Right Hand Hinge Description Part Number Barcode Galvanised W312301 9310584003481 Brown W312313 9310584003498 White W312316 9310584321271 Bulk Pack, Galvanised W312501 9310584030883 Bulk Pack, Brown W312513 9310584003528 Bulk Pack, White W312516 9311847513358 Bulk Pack, Stone Beige W312528 9311847485655 Close Finishes Standard Finishes Galvanised 01 Brown 13 White 16 Non Standard Finishes Other polyester power coat finishes available on application. Related Products Whitco Window StaysRobust metal window stays for casement or awning windows.