Weighing in at a heavy 7.5 ounces, this ball stretcher gets the job done with the force of gravity. Made of stainless steel, this heavy ring will pull down on your scrotum to create a unique sensation that will amplify a sexual experience. The powerful magnetism within the ring allows it to easily open and securely close. Compatible with all types of lubricant and cleans with mild soap and warm water. Inner diameter is 1.35 inches.