This cock and ball piece has a little something extra! Simply place the penis through the upper ring and the testicles through the lower ring. The flexible material provides just enough give to wear comfortably, while being firm enough to keep a good grip on your package. A perineum stimulator finishes off this diabolical device that keeps your equipment looking great and feeling even better! Measurements: 5.13 inches long, 2.37 inches wide, Cock and Ball Openings have 1.47 inch internal width. Material: Thermoplastic Rubber TPR. Color: Black. Category: Master Series, Cock Rings. Diabolic Erection Enhancer from Sex Toy Distributing.