In all honesty a good quality multi-tool will probably serve you the best. This is one of my favorites.
http://www.gerbergear.com/Essentials/Tools/Suspension-Multi-plier_22-41471
This is the newest version of the one I've carried for the last 7 years on the job.
http://www.gerbergear.com/Military/Tools/Diesel-Tool_22-01545