The clear acrylic is great, lightweight with smooth edges. His dick is going to get hard in anticipation of the solid acrylic plate that rises and threatens to crush his balls. Twist the two screws on the bottom plate and watch his eyes grow larger as he starts to feel the pressure. It won’t be long before just a fraction of a turn has him panting and begging for mercy. The clear acrylic lets you get a great view of his flattened nuts from every angle – SIZE: Inner Diameter: Testicle Cuff: 5.1cm (2 inches) x 2.64cm (1 inch) x Length : 5 Inch x Width : 2.5 inch