Mister Fister Multi Speed Vibrating Fist Black from the Master Series. Master the next level of insertion with this smooth, lifelike rubber fist. The life size replica offers realistic pleasure. Dial up your pleasure with the addition of powerful, multi-speed vibration. Just turn the easy to use twist controller located at the base. Perfect for vaginal or anal use, just lube up and get ready for intense penetrating pleasure. Measurements: 8 inches in total length, 7 insertable, 3.5 inches at widest point. Materials PVC, ABS plastic. Color Black. Please note vibrator requires 2 AAA batteries, not included.