Electrosex aluminium cock rings set. This electrosex aluminium cock rings set consists of 3 cock rings with the diameters 36 mm, 42 mm and 46 mm. This set is uni polar and you always have to use two rings to make the electrosex cockrings work. This article can be used with the analogue and the digital electro power box. For the best result we recommend to use the special electrosec contact gel. uni-polar, 3 pcs. (Ø 36 & Ø 42 & Ø 46 mm). Material Aluminium ;