Send electricity around the base of your cock and balls, and straight into your shaft This set includes everything you need to turn your Zeus Power Box into a penis stimulator, including the necessary leads, an adjustable elastic strap that wraps around your package for e-stim, and a 14 inch long silicone sounding rod that conducts current. This smooth, seamless urethral insert has a bendable design that conforms to the natural curves of your body. The bipolar electrical stimulation provides you with simultaneous internal and external sensation, whether its teasing tickles or jolting shocks. How much can your cock and balls handle? Measurements: Urethral sound is 14 inches in total length, 12.75 inches insertable, and .35 inches in diameter. Elastic strap adjusts up to 7.5 inches in circumference, unstretched. Material: Silicone, polyester, plastic, and metal. Color: Blue. Note: Zeus Power Box sold separately.