NRP Architectural Solid Bronze Hinge C11058 The double cylinder deadbolt is

The double cylinder deadbolt is keyed on both the exterior and interior side

12" x 2" x 7/8" projection

They are sold by the set

Requires a 7mm hole drilled in the glass

Operator arm attaches to the track channel on the bottom of the window with the round guide "button" located at the end of the operator arm

NRP Architectural Solid Bronze Hinge C11058 The double cylinder deadbolt isSolid bronze Architectural Grade hinges in a true Oil Rubbed Bronze finish (An Oil Rubbed Bronze finish on a solid bronze hinge is far superior to an oil rubbed bronze finish on a solid brass hinge). In addition, solid bronze does not corrode as brass sometimes will in severe conditions. Bronze also has the advantage of being self lubricating. This quality reduces wear on the hinge and provides a hinge that does not squeak. NRP HINGES (non removable