RAB Lighting sturdy 19" PVC mounting post for ground mounted landscape lighting. Perfect for lawn lights, PAR-38 and quartz floods. Post is 2 1/2" pipe (2 7/8" O.D.) In-ground stabilizing grid. included. UL listed: Suitable for wet locations. Fixtures with ground wire must be used. Set screw: Locks cap to post and prevents rotation. Post material: UL Schedule 40 PVC pipe. Cap: PVC. Patents: Pat. D424,524. This product is a product of Taiwan and a "designated country" end product that complies with the Trade Agreements Act. Gsa schedule: Suitable in accordance with FAR Subpart 25.4.