The PCA 100 is a Female-to-Female Pipe Coupling Adapter. Featuring 1.5" NPSC internal threads at either end, the PCA 100 is designed for use with Extron PMP Series Projector Mounting Poles and enables two male 1.5" NPT threaded poles to be coupled together to create an extended mounting pole. Included setscrews lock the coupled pipes in place. The PMP Series Mounting Poles are available in fixed lengths are used with the UPB 25 Universal Projector Mounting Bracket, PCM 240 Projector Drop Ceiling Mount, and ACMP 100 or FCMP Series Ceiling Mounting Plates to create individualized installations. The PCA 100 Female to Female Pipe Coupling Adapter measures 2.1"(5.2 cm) long x 2.2" O.D (5.6 cm O.D.) and is available in black or white.