These items are can light trims for 4-inch diameter cans. They are the smaller cans as opposed to the 5-inch ones. There are 5 of the eyeball trims that can swivel and rotate. There are 9 of the fixed trims. There are 6 of the Par 16 bulbs that fit the eyeball trims, and 9 of the Par 20 bulbs that fit the fixed trims. The bulbs are all halogen 50 watt bulbs. This does not include the cans themselves, just the trims.