https://www.standoffsystems.com/essential_grid/multi-panel-artwork-standoffs/
Multi Panel Artwork with StandOffs | Gyford Standoff Systems
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https://www.jpplus.com/gyford-conversion-machine-screw
Conversion Machine Screws for Standoffs & Signage | Gyford Hardware | JPPlus
Gyford Conversion Machine Screws are dual-threaded fasteners that adapt one machine thread size to another, allowing installers to connect hardware components...
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https://www.wwhardware.com/gyford-1-1-4-diameter-x-1-barrel-clear-anodized-finish
Gyford 1-1/4" Diameter x 1" Barrel Clear Anodized Finish
Gyford 1-1/4" Diameter x 1" Barrel Clear Anodized Finish GYSOK 3 1
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