Professional traditional night latch door lock Suitable for use on all wooden doors This listing is for a 8 pack of night latches Comes complete with 3 keys (per lock) External locking is by key while internal locking is with the button Perfect for when extra security is needed Simple to install and complete with full set of instructions Standard 60mm (2-3/8”) back set SPECIFICATIONS • 90mm standard style lock • Lock body – 90mm x 60mm • Frame keep – 90mm x 28mm • Back set – 60mm • Cylinder hole – 35mm • Finish – Brass Coated • Number of keys – 3 (per lock) • Pack size – 8 pack