ABH - 1032 - Heavy Duty - Concealed Mount Overhead Door Friction - Satin Stainless Steel - 30" Cabinet Locks 3DNR is noise reduction technology

3DNR is noise reduction technology that detects and eliminates random noises by comparing two sequential frames

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The DE8310 Delayed Egress all-in-one lock can detect when pressure is applied to a door and can be field selected with a release delay of 15 or 30 seconds

2x 6-Pin BiLevel Cylinder w/2 Keys & Card

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ABH - 1032 - Heavy Duty - Concealed Mount Overhead Door Friction - Satin Stainless Steel - 30" Cabinet Locks 3DNR is noise reduction technologyOverhead holders and stops are used to prevent unnecessary damage to the door, frame, wall and other door hardware by limiting the degree of door swing. They are installed at the top of a door opening; therefore, out of the general reach and not a tripping hazard. Whether for commercial or residential application, the use of overhead holders and stops extends the life of the opening and other hardware. Friction Most commonly used on doors without