Electro-Spec Testing System Inc. have over 20 years of experience in the field of nondestructive examination (NDE), their mission is to design and produce the highest quality portable magnetic particle examination yokes for the NDE industry. ESTS inc. became ISO 9001 in December, 1999 and strictly adheres to its guidelines.

Electro-Spec ES-X Ferrous Probe Flexible Leg is a compact, lightweight, electromagnetic particle inspection probe for surface crack inspection. It has shock resistant, safety orange epoxy plastic housing that is reinforced by fiberglass.