Investigators say the items are some type of brass water or irrigation fittings. They are new and don't appear to have been installed anywhere. Some of the fittings are stamped with the "Ford" brand and the number 1009Q on them.
Anyone with information as to the origin of these items is asked to call Detective Greg Mahan at (925) 603-5814. Those wishing to remain anonymous can call the Concord Police Department Tip line at (925) 603-5836 or the Bay Area Crimestoppers at (800) 222-8477 (TIPS).