Chastity Device and Ball Stretcher With Brass SpikesThe SINNER can be used as a simple ball stretching weight device, or alternatively, could be used to inflict some serious CBT on your submissive playmate! The Hells CoutureSINNER features 6 removable spikes which can be twisted and turned inwards into the testicles to really test their pain and pleasure boundaries. This piece really gives you variety and we all know variety is the spice of life!Size: Inner diameter of 38mm Weight: 285g 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.