the last 4 drawers.
pic 1 is silicone, anti seize, pipe dope, loc tite oils, graphite, teflon tape. bottle adaptors and syringes
pic 2 meters, test lights , probes and electrical tape.
pic 3 is tape, tape measures and security bits.
pic 4 is another tray and this drawer is loaded with wire ties and other fastening bits.