Amazon has the MultiTac Camping 16-in-1 Multitool Hatchet / Hammer on sale for $8.49 with free shipping on $35+ or with Prime.

Functions include: Axe, Hammer, Knife, Phillips Screwdriver, Bottle Opener, Flat Jaw Plier, Regular Plier, Pliers Handle, Wire Cutter, Fish Descaler, Slotted Screw, Wood Saw, Hex Wrench, Assorted Hex, Spring, Tail Lock.