This Cheesbrough 1.5" pipe coupling offers a strong attachment to eleveated tube-truss systems. 

It is designed to be used in conjunction with the Premier Mounts Column Lengths which are available in 0.5metre, 1metre, 1.5metre, 2metre and 3metre lengths.
Plasma LCD TV Bracket Mounts and Universal Projector Brackets are then used to securely and safely mount your choice of AV equipment for use in Professional Installations that require suspension from the ceiling.