EFFORTLESS INSTALLATION IN SECONDS: The Setup.exe 3 makes mounting a breeze! Install in just 5 seconds with no tools needed. Perfect for patch panels, computers, and servers, and fits 19" rails with threaded and square holes. RELIABLE SUPPORT FOR HEAVY EQUIPMENT: This tool can hold up to 110 lbs (50kg), so you dont have to juggle or balance heavy equipment during setup. Securely support your patch panels or laptops while you work.