Frelan - Julietta Casement Fastener - Polished Chrome - JV4917PC Style_Drop Down Seals Its 42mm diameter means you

Its 42mm diameter means you can use these with the Delamain Knobs knowing that if used with a standard bathroom lock

Carlisle Brass - Silent Pattern Cabin Hook 305mm - Polished Chrome - AA65CP

Frelan - Blenheim Pull Handle On Backplate 380mm - Polished Chrome - JV3696PC

Carlisle Brass - Surface Bolt 203mm - Satin Chrome - AQ83SC

4" Slim Knuckle Hinges x2) - Satin Chrome/Polished Chrome - ADPS32RSCPC12

Frelan - Julietta Casement Fastener - Polished Chrome - JV4917PC Style_Drop Down Seals Its 42mm diameter means youFrelan Julietta Casement Fastener Polished Chrome JV4917PC Finish Polished Chrome Dimensions: Handle 115mm, Projection 39mm Supplied as singles