When saving ounces, the Leatherman Squirt ($35) is the lightest multi-tool kit to carry. It’s got your knife, pliers, wire cutter, scissors, file, and two screwdrivers in only 2 ounces (57 g). Some folks use it as a keychain fob; I primarily carry it while backpacking and biking.
-- KK
[This is a Cool Tools Favorite from 2013 ]
Leatherman Squirt PS4 ($35)
Available from Amazon
Manufactured by Leatherman