The AXIS T91A13 is a set of 10 nylon ceiling mount arms designed for quick installation of compatible network cameras beneath false ceilings and ceiling tiles. It features a 1/4"-20 UNC thread, a total length of 80 mm, and a threaded length of 65 mm. The arm includes a lock nut with a T-handle for secure fastening and is available in gray color. It is intended for professional surveillance installations and is compatible with selected AXIS M30, M50, P32, and P33 cameras, as well as the AXIS T94B01P Conduit Back Box, T94B01S Mount Bracket, and T94C01U Universal Mount.