ESI 220 4/5 Pin Flat Trailer Wiring Buddy Other Tools Made from zinc-plated steel to

Made from zinc-plated steel to prevent rust

World's strongest handle with patented spacers between tools

| Guarded trigger gives you a quick release while helping prevent accidental release

55 poundsSet contains 4 Male sizes 1/4'' to 5/8'' and 9/32" 5/16" 3/8" 7/16"

ESI 220 4/5 Pin Flat Trailer Wiring Buddy Other Tools Made from zinc-plated steel toEach signal from vehicles emits a unique tone^Loud beep can be heard over shop noise^Apply brakes, turn signals, running lights, engage reverse and listen^Greatly reduces time spent verifying vehicles trailer wiring^Very simple and easy to use, saves timeTests 4 and 5 pin flat connector wiring. One man audible trailer tester saves time.