VRP ARM Tool for HO slot cars-BSRT, Viper, Wizzard, Slottech, Aurora, Life-Like

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Like new condition, this VRP ARM Tool (Armature Resistance Meter) is very handy to quickly - in 5 minutes or less - check the resistance (ohms) of pancake or inline armatures. Great when you're going through a large quantity of armatures to find the ones with the lowest ohm rates. Features a digital display for greater accuracy. It's easy to use and has no moving parts. Requires just one 9V battery (included). You can check T-jet arms (pancake style) with or without the gear plate. Makes a great tech tool at races too.