Heritage Brass Charlbury Reeded Bathroom Set Matt Bronze finish - RR3030-MB Size_305mm and the fastener secures into

and the fastener secures into it when the window is in the closed position

From The Anvil - Brompton Brighton Fastener (Radiused) - Polished Bronze - 46587

Fixing Plates: 87mm x 20mm

A straight round bar lever on a narrow backplate

MCWCSN WC Turn

Heritage Brass Charlbury Reeded Bathroom Set Matt Bronze finish - RR3030-MB Size_305mm and the fastener secures intoHeritage Brass Charlbury Reeded Bathroom Set Matt Bronze finish RR3030 MB Finish Matt Bronze Dimensions Backplate Length : 174mm Backplate Width : 37mm Backplate Projection : 9mm Lever Length : 106mm Projection : 59mm Material : Solid Brass Box Contains 1 pair of Door Handles 1 x spindle All fixing screws and fasteners Bathroom Handle for internal doors where privacy is required If you are replacing an existing Bathroom Handle, this Handle will work