7-Round Pin Trailer Circuit Tester 7865L ship04 This set includes: 1 Dental

This set includes: 1 Dental Pick

12-hour AM/PM display

but afraid to mess up your connection

please unload the AA batteries and put the light in a cool and dry place

7-Round Pin Trailer Circuit Tester 7865L ship04 This set includes: 1 Dental7 Round Pin Trailer Circuit Tester 7865L The 7 Way Round Pin Tractor Trailer Circuit Tester allows "one man testing" for male and female 7 way round pin tractor trailer plugs. Product Features Test 7 way round pin towing circuits at the back of the truck LEDs indicate that each circuit is working Allows bypassing of troubled circuity while on the road Winged grip for easy installation and removal Weatherproof