This model is Door handle parts from Buster and Punch. please see the main product via this link: https://www.busterandpunch.com/hardware/door-hardware 

there are 3 different locks that you can use in case of your project. all the materials are PBR and have textures. there are 3 different material in the scene: Brass, Silver, Steel there is an extra map in the archive named: Handle_Height_Displacement.png in case of need to use displacements. I modelled this handles carefully with clean topology. the door handles has enough detail for close-up renders. you can use it for modern scenes.

Poly number: 24,144
UVW: yes - fully unwrapped
materials: PBR
Format: 3dsmax 2014 + FBX + OBJ

thanks for your notice.