https://mrlock.com/brand-index/gms-industries/gms-mortise-cylinders/gms-m118-1-1-8-mortise-cylinders/?page=6
GMS M118 1-1/8" Mortise Cylinders Mr Lock, Inc. - Page 6
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https://en.codkey.bg/mortise-locks-double-x-59
Mortise locks with apertures for profile cylinders "Double"along X | Codkey
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https://www.lockandhinge.com/schlage-cylinders-mortise-adams-rite-ms-4500-4700-series-cylinder-with-compression-ring-spring-cam-k510-711-conventional-core-26-098/
Schlage Cylinders Mortise Adams Rite MS, 4500, 4700 Series Cylinder With Compression Ring & Spring,...