Overview Reviews Product Description 4 Pole flat electrical continuity tester with 3 LED indicators and lanyard ring Dynaline Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Dynaline Flat 4 Pin Trailer Tester w/LED Indicators 27092 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *