If the door thickness plus the thickness of the door handle panel is less than 60MM, the lock cylinder will be too long. Easy to installation:take out the old one, put in the new lock cylinder,and fix it with the screws.We using the M5 60MM screws.
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60MM Solid Brass Lock Cylinder with 3 Brass Keys Satin Nickel Color Cylinder Doo
Easy to installation:take out the old one, put in the new lock cylinder,and fix it with the screws.We using the M5 60MM screws. 60MM(2.36″)lenght suit for the front door ,storm door and sliding door.