ABH - 1000A Series Concealed Mount Overhead Stop & Holder - Optional Finish TOPDON it is perfectly compatible with

it is perfectly compatible with Lockey USA's 2900

6 Pin W/2 Keys Rail Assembly Extruded Aluminum

Compatability includes: (but is not limited to)

and Cylinders key

ABH - 1000A Series Concealed Mount Overhead Stop & Holder - Optional Finish TOPDON it is perfectly compatible withABH 1000A Architectural Builders Hardware Mfg. Inc. (ABH) is a high quality manufacturer of Overhead Holders & Stops, Hospital Latches, Electromagnetic Holders, Pivots, Strikes and Rescue Stops, Aluminum Hinges, Stainless Steel Hinges, Coordinators, Flush Bolts, Power Wire Transfers, and Roller Latches. Features: Concealed Mount Heavy Duty Stop, hold open and friction functions available Single acting doors only Non handed For interior or exterior use