Lockwood 577 Series – Dual Access Lower Cylinder Pre-Primed Shackle Size – 30mm

Shackle Size – 30mm

2 Lever – 5Pin Project Keyed – NXV12/1L2CP5PK

Cement box hot zinc plated steel

Polished Brass — 1377/INPB

P1004 — 4B

Lockwood 577 Series – Dual Access Lower Cylinder Pre-Primed Shackle Size – 30mmThe Lockwood 577 cylinder is a dual access lower cylinder built for use with Lockwood Synergy 3577 mortice locks and other compatible systems. Featuring a 6 pin restricted profile (6RP), this configuration offers enhanced key control and resistance to unauthorized duplicationideal for institutional and government grade installations. Key Features Cylinder Type: Oval 577 Lower Cylinder Keying Profile: 6RP 6 pin Restricted Profile for secure key control