Cylinder Lock Set is designed for residential / light commercial application. With both Mortise lock and Euro Cylinder included in a single packaging, it gives the benefit of installation convenience and total compatibility. Key Features of Quan Juli Cylinder Lock Set: - Packed in a single box - Cylinder size options for different door thickness* - Various finish options - Various mortise lock backset options - Fully tested to relevant EN standards** Finish Options (Forend / Strike): - Satin Nickel (SN) - Antique Brass (AB) - Polished Brass (PB) - Satin Stainless Steel (SS) Backset Options: 40mm, 45mm, 50mm, 60mm Specifications and Features: - Tested to EN12209 - Durable Brass Latchbolt - Solid Steel Deadbolt - Sintered Steel Follower - Forend and Strike available in Steel or Stainless Steel - Easy reversible latchbolt for non-handed installation - Double throw deadbolt for extra security - Through bolt fixing holes for use with bolt through fixed lever on rose - Close case design * Suitable for 35 â?? 48mm door thickness ** Mortise Lock tested to EN12209 and Cylinder tested to EN1303