GEMTST Trailer Socket Tester - GEMCO - Experts in the Garage Equipment Industry!

13 pin trailer socket tester. Approved for testing classes 3/4/5 & 7.

Testing unit truck towbar trailer auto - GSE

Trailer Electrics Testers

Power Gear 3-Wire Receptacle Tester 50542 - The Home Depot

Socket Testers - 4 Pole, 7 Pole & Blade Output Socket Testers

Brake Testers, MOT Brake Tester, Commercial Brake Tester, ATF Brake Tester

Mestek Socket Tester

Trailer Testing and Maintenance

Brake Testers, MOT Brake Tester, Commercial Brake Tester, ATF Brake Tester

Sperry Instruments GFI6302N GFCI Outlet Tester – Gardner Bender

Power Gear Receptacle Tester – 50542

Class 4, 5L & 7 MOT / ATL Equipment - GEMCO - Experts in the Garage Equipment Industry!

MOT Equipment, Brake Tester, MOT Lifts, Jacking Beams