Vibrating Urethral probe has a ribbed shaft which vibrates on the push of a button. Maximum length of shaft 4 cm and 1 cm in diameter at the tip. We recommend using lubricant for easy ion. Non-porous. Stainless steel vibrating urethral probe is ribbed and vibrates to create the ultimate intense stimulation. Temperature play, warm or cold. Available in Blister pack for better protection. Requires two AA battery (not supplied).