Skeletool has a stainless steel combo blade, pliers, bit driver, removable pocket clip and carabiner/bottle opener. The Skeletool is just what you need, and not an ounce more. For the pack you're bringing in, or the hydration pack you're peddling, the Skeletool is all function (and none of the fluff) in one good lookin' package. 

Tools:

420HC Stainless Steel Clip Point Combo Straight/Serrated Knife
Bottle Opener
Carabiner Clip
Hard-wire Cutters
INCLUDED BITS: Phillips #1 and #2 Bit, Screwdriver 3/16" and 1/4" Bit
Large Bit Driver
Needlenose Pliers
Regular Pliers
Wire Cutters

Features:
25-year Warranty
All Locking Blades and Tools
Nylon Sheath Sold Separately
Outside-accessible Blade for One-handed Opening
Removable Pocket Clip
Stainless Steel body
Stainless Steel with 6061-T6 Aluminum Handle Insert
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Measurements:
2.6 in | 6.60 cm (blade length)
4 in | 10 cm (closed)
5.0 oz | 142 g