8 Rainbird R50 sprinkler heads. There are 5 3 gallon/min and 3 1.5 gallon/min. These are big heads capable of covering large areas. On-Line these are $62.50/head (USD). These have never been installed they are new old stock. If you have some of these they would be great replacements or of you have a large yard they are are good for large areas.