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From The Anvil Avon Locking Mortice & Hook Plate Window Fastener - Reversible - Black

From The Anvil Brompton Knurled Locking Mortice & Hook Plate Window Fastener - Left - Matt Black

From The Anvil Avon Locking Night Vent Casement Window Fastener - Reversible - Pewter

Hampstead Victorian Locking Wedge Casement Window Fastener - Reversible - Polished Copper

Hampstead Bulb End Mortice & Hook Plate Casement Window Fastener - Reversible - Polished Chrome

Hampstead Victorian Locking Wedge Casement Window Fastener - Reversible - Antique Bronze

Fab & Fix Guru Breakseal Locking Casement Window Fastener - Left Hand - White

Olde Forge Monkey Tail Mortice & Hook Plate Casement Window Fastener - Reversible - Antique Black

Altro Cast Victorian Mortice & Hook Plate Casement Window Fastener - Reversible - Polished Brass

Altro Timber Range Locking Night Vent Wedge Casement Window Fastener - Reversible - Black