passage lock body Security mortise lock body are widely uesd for wooden doors, mental doors and so on. Which is appicable for project, hotel, residental house, commercial office, villas and so on. Features: 1. Forend and striking plate: stainless steel, in brass. available square or round. 2. Finish: stainless steel, nickel, brass plated. 3. Latch: brass, oprated by handle or cylinder. which can be changed left or right. 4. Follower: 8X8mm by steel. 5. Test pass 200,000 times operation (test in house). 6. The parts of lock body can be changed as client's special requirement. 7. We own their hot-forging maching, polishing, plating and assembling in our factory. 8. OEM welcome. model no. backset centra distance 955dx 55mm 72mm Wish our professional ability can win your trust! Please email me your requirement and question, we will reply you with 12-24 hours.