Gemini Stainless Steel Ball ClampThis stainless steel ball crusher is a simple yet effective device and is ideal for anyone interested in CBT. Many men love the feeling and experience of someone exerting pressure onto their testicles, this Ball Clamp allows you to exert as much or as little pressure as you like. The high quality, polished steel finish Clamp is both easily adjustable and comfortable to wear. Until the screws begin to turn anyway!Key Features:-Ball Clamp Material: Stainless SteelBall Clamp Colour: Polished SilverBall Clamp Features: Ball Crushing / SqueezingBall Clamp Size: Pressure Bars; 12x105mm, Adjustable Screws 90mm This product is certified 100% Non-Magnate and medical-grade steel. Beware of cheaper products that are not solid surgical steel but chromed steel or poor quality surgical steel that contains Magnate. Magnate is the ingredient that makes steel rust. We will only include this endorsement on our 100% surgical steel products.