Corbin Dorma Dorma-Taco Doromatic Jackson Kawneer LCN Lockwood Norton R&K Rixson Roto-Swing Russwin Sargent Tubelite
Russwin
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Model B-E
Reversible handingSized spring (B-E)Identified by letter stamped on end plugModel 160 "MOD"
Reversible handingSized spring (2-4)Identified by number stamped on closer


