Sold in sets only - 18 in. long by 6 in. diameter aluminum cylinders. Fixtures accept 150 watt flood lamps for up, down or up/down lighting. Lamps NOT INCLUDED in pricing. Wiring NOT INCLUDE in pricing. Add on for factory set-up of wiring on external halyard pole - no access door $490.00 with access door $1080.00. Add on for factory set-up of wiring on internal halyard pole - no access door $610.00, with access door $1320.00. NOTE: Electrical access doors can only be supplied on 5in. and larger diameter poles. Minimum wall thickness .156.