Never think that you can tie re-bar efficiently with ordinary pliers. Gotta be spring loaded! These are perfectly balanced and bullet-proof. There are design characteristics that can only be understood by using them, and that then become indispensable! I modify mine my removing the rubber sheath from the top handle. This creates a useful lever for tightening wire (insert handle between two wires and rotate). I keep a pair in every toolbox, and the uses are virtually endless. I wouldn't recommend using them for electrical work however, make sure you get proper electricians linesman pliers with a fully insulted handle for THAT work.