The universal design allows the mount to connect to many adapters and accessories with an integrated NPT pipe coupler. Twelve points of contact and welded PEM nuts hold the alignment of the mount permanently. Cables can be routed inside pipe routing for a neat appearance. Also includes Lock-It™ Security Hardware. OSHPD approved and UL listed. Includes four long pre-installed mounting arms and two small mounting arms for a broader mounting reach.Features- OSHPD and DSA Approved (OPA-1787-07)- Dedicated mounting bracket included- Includes universal and Lock-It™ security hardware- Connects to standard 1.5 in. NPT or directly to structural surfaces- Cable routing through body- Lowest profile projector mount on the market