Then, show people you care by making a nice looking job of your safety wire. We use 0.030 inch stainless safety wire. Notice the safety wire is run so that it will not allow the bolt to loosen. Also, notice the end of the safety wire. Sandwich was nice to the next guy. He curled the ends of the wire so whoever had to take the caliper off next didn't get 0.030 inch holes in his fingers.