product description
Ring set which cosists of 3 high quality steel rings with different diameters (35 mm, 40 mm, 45 mm), connecting cable is included, 150 cm long. The steel rings have jacks for 4 mm banana plugs. Rings are unipolar. To close the circuit two rings have to be used in combination or another unipolar toy (e.g. pad, clamp, plug).
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