Locking Weatherseal Casement Mortice FastenerLocking Weatherseal Casement Mortice Fastener  Ref: P4511LS/MP
Manufacturer: Samuel Heath.
Model: P4511LS/MP. Mortice Plate Plate Fixing.

Weatherseal variant has extra spacing and is provided with a mortice plate.

Handle: 108mm
Mortice plate: 67mm x 16mm
Handle plate: 57mm x 19mm