From The Anvil Brass 5 Lever Deadlock British Standard 2.5 inch or 3 Inch

From The Anvil Brass 5 Lever Deadlock British Standard

91831 Case 2.5 inch 63mm, Back set 44mm
91832 case 3 inch 76mm, Back set 56mm

(Back set = edge of the door to the keyhole).

20mm anti trust,anti saw, anti drill. supplied with keys box, strike and fixings

Brass Face plate and striker

Also available as keyed alike – this means the same key operates all the locks – saves having to carry several keys.

91833 2 1/2 inch keyed alike – same dimensions as 91831

91834 3 inch keyed alike – same dimension as 91832

Rebate Kit Brass 91904.  Only required for double rebated doors, ie French doors when one is closing onto another.
This rebate kit is suitable for the 63mm or 76mm lock