Check the listing for details. Magswitch Magnetic Yoke Particle Flaw Detector Cordless Technology #8100551. Condition: New. Listed at 294.64 USD. The permanent magnetic Yoke gives the user the ability to perform magnetic particle inspection without an electrical power source. It has all the advantage of a permanent Yoke system without the problems related to adhesion of metal particles.Produce a variable intensity of the geometric magnetic field which increases the ferromagnetic particle mobility, increasing the contrast of flaws within the test material.Features & Benefits:Turn the actuation switch to completely neutralize the permanent magnetic field.Place pole legs on testing metal, twist the knob to turn on the magnetic field.Reduces chance of a spark.The lightweight, compact, easy to use design.Solo Magnetics Integrating Magswitch Technology.Ideal for mechanics to Non Destructive Testing (NDT) professionals.Specifications: Max Breakaway: 97 lbs / 44 kgDimensions: 6.4 x 2 x 5.4 in / 162.5 x 50.8 x 137.1 mmProduct Weight: 5.6 lbs / 2.5 kgMinimum pole spacing (center of foot): 0.9 in / 2.3 cmMaximum pole spacing (center of foot): 10.3 in / 26.1 cmCertificate of Conformance included with each purchase.