QualGear suspended ceiling Adapter, adjustable for 1.5-Inch npt threaded Pipe, White, QG-PRO-PM-SCA-W mounts above false ceiling tile on standard 2'x2' or 2'x4' grid system. It fits all standard 1.5" npt threaded pipes weighing up to 60Lb. Hardware is included for suspension from wood or concrete surfaces. This Adapter works with a projector mount.