No clue what the new Expendable Items are?  Maybe your playing on Gunbound server that doesn't have them yet and want a sneak peak, This information should help:
Available Items
Special Force
Details:
Defense
Details:
Damage Up
Details:
Delay
Details:
Lock Down
Details:
Tresure Key
Details:
Quick Power Gage
Details:
Team Deffense Up
Details:
Team Offence Up
Details:
Homing Missile
Details:
Rader Rookie
Details:
Bugle
Details:
Big BagPack
Details:
Small BagPack
Details:
Gold BagPack
Details: