CPS Products LS790B Leak Seeker Refrigerant Leak Detector 265 Amp wheeled automotive battery charger designed Impact Energy 1 wheeled automotive battery charger designed for professional and commercial use 110 mm Length DURABLE MATERIALS Made from Chromium vanadium Steel Alloy for high strength and durability while having anti corrosive properties TOOL ORGANIZATION Sizes are stamped for permanent and easy identification of size SUPERIOR DESIGN Heat treated through oil quenching which creates a tough durable exterior and superior inner core strength for a lifetime of professional use Patented automatic calibration design eliminates the need for manual balance or tick rate adjustments while the user selectable 10 sensitivity ranges enable the LS790B Leak Seeker to detect all non combustible CFC Patented automatic calibration circuit ensures optimal performance at all times