Torque Wrench Calibration Serv...Learn MoreComplete torque wrench calibration service on CDI, Snap On, Craftsman & more. We also provide torque wrench repair. Torque wrench calibration made easy.Mechanical Tool RepairLearn More Mechanical Tool Repair Chain Hoist Repair, Cutters, Crimpers, & More JM Test Systems is dedicated to providing the...Mechanical Tool Repair QuoteSpectrum Analyzer RentalLearn MoreThe JM Test Equipment Rental Division offers a wide selection of spectrum analyzer rental options. View the rental items or contact us for a new quote!Hot SticksLearn MoreJM stocks Salisbury and Hastings electrical hot stick items. JM can rent, repair, wax, test, and inspect your high voltage shotgun + telescopic hot stick.