From the Anvil 2½" 5 Lever Heavy Duty BS Sash Lock
Size:
Case Size:109mm (H) x 17mm (T)
Case Depth: 64mm
Backset: 44mm
Centre: 57mm
Forend Size: 162mm (L) x 26mm (W)
British Standard insurance rated heavy duty 5 lever kite marked sash lock.
Please allow 7-10 days. Call if needed sooner.