Overview Reviews Product Description A heavy duty circuit tester for lifetime use. The probe, handle, cord and clamp are reinforced for extra durability. Comes with a strain relief spring on the cord. Lisle Tools Catalog Product Videos Custom Field Harmonization code HTS #9030311000 Manufacturing country US Product Reviews Write a Review Write a Review × Lisle 12V Heavy Duty Circuit Tester 28400 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *