Case Size:109mm (H) x 17mm (T)
Case Depth: 76mm
Backset: 56mm
Centre: 57mm
Forend Size: 162mm (L) x 26mm (W) British Standard insurance rated heavy duty 5 lever kite marked sash lock. For use with any of our unsprung knob sets or 57mm centre unsprung lever lock handles. Includes an extra strong spring to ensure our weighty knob sets and levers always return correctly. For matching rebate kit please use product code 91061. We recommend using a 3" sash lock with our knob sets. Product is 'Keyed Alike'. Supplied with matching SS wood screws.