Emtek 8359 Knoxville Deadbolt - Brass - Double Cylinder Cylinder Keyway:Weiser (WR5) Keyway they would need a key

they would need a key to unlock the inside of the door

Surface mounted

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Emtek Ribbon & Reed Handleset Includes:

Emtek 8359 Knoxville Deadbolt - Brass - Double Cylinder Cylinder Keyway:Weiser (WR5) Keyway they would need a keyEmtek 8359 Knoxville Deadbolt Brass Double Cylinder Schlage C Keyway Single Cylinder Deadbolt Includes extension collar for thin doors Standard Door Prep and Installation Solid Brass Cylinder, Housing, Collar, Thumbturn, and Rosette Hardened Steel Bolt Heavy Gauge Steel Understrike Brass Trim Strike Shipped with Every Deadbolt Handing Not Required Standard door thickness of 1 3 4". Specify if thicker. EMPowered fits door thickness up to 2 1 4".