Gerber makes inexpensive multitools that get the job done for usually less than half the price of the more expensive brands such as Leatherman or Swiss Army.

Here's a review of the Gerber Suspension Butterfly Opening Multi-Tool, with Sheath which costs about $25. And at that price, it makes it easy to try out the a multitool to see if it fits your needs or even a great backup multitool if you need more than one.