From The Anvil Tudor Lever Espag Door Lock Set Beeswax 33854

Back plate 273 x 40mm
Back plate thickness 5mm
Handle length 132mm
Lock Centre 92mm (suitable for multi point locking systems with a 92mm centre)
Fixing Centre 243mm

Unsprung to allow for upward movement of the handle.

Not suitable for UK sash locks – you need a multi point locking system with a 92mm measurement between the lock and handle