The shaft features a tapered tip and solid body for serious pleasure. The ease-grip end allows for simple retrieval, and ensures the sound does not go in too deep. Gently spinning the exposed end brings even greater sensation. The stainless steel is non-porous, hygienic, easy to sterilize, temperature sensitive, impact resistant, and promises a great long-term value. Measurements: 3.95 inches in total length, 3 inches insertable, 0.25 inches shaft diameter, 0.38 inches max insertable diameter. Material: Stainless steel.