Get into the battery replacement business with this watch battery starter kit. Includes 250 assorted polular watch batteries, a 64 drawer battery cabinet organizer with cross reference stickers, a battery tester, 3 types of case openers, plastic tweezers, "AA" tweezers, a screwdriver, pliers and a cleaning brush. Based on an average battery replacement charge of $6.00, your return on this kit is over 600%.