Marks USA - Thinline Series 2750B - Ornamental Iron Mortise Lockset - Sgl Cylinder - Backset: 1" - Entrance - Bright Brass - LH/RH Chevrolet Certifications Grade 2 Backset Adjustable

Certifications Grade 2 Backset Adjustable 2 3⁄8" or 2 3⁄4" Door Thickness 1 3⁄8" – 2" Door Prep 1 1⁄2" and 2 1⁄8" diameter face hole and 1" diameter latch hole Strikes Round corner Faceplate 1" x 2 1⁄4" round corner Bolt 1 " throw

or other viewing device that uses a standard BNC connector

Blade: HU64

PN: HK83-15K601-AA

Marks USA - Thinline Series 2750B - Ornamental Iron Mortise Lockset - Sgl Cylinder - Backset: 1" - Entrance - Bright Brass - LH/RH Chevrolet Certifications Grade 2 Backset AdjustableMRK 2750B Marks USA has been a primary manufacturer of Ornamental Iron Storm Door locks for many years. During that time, many innovative improvements were developed to increase the reliability and ease of installation. Innovations includes the "Uni Lock" model with single screw assembly, elimination of threaded swivel spindles in favor of the more secure thru bolted design, helper springs in lever rose sets, and steel hubs for greater endurance.