Glynn Johnson 410 Series

Related guide: Glynn-Johnson 411H vs 411S: Hold-Open or Just a Stop — Glynn-Johnson's 410 Series concealed overhead arm comes in three functions: hold-open, friction hold, or stop-only. Here's how a locksmith picks.
Related guide: Glynn Johnson 411S-415S Overhead Stops by Door Width — Glynn Johnson 410 series concealed overhead stops