This dilator is secured to the testicle ring with a pin and locked with a lock. The inner diameter of the cage is 35 mm and the length is approx. 100 mm. Length of the scepter 70 mm. The tube of the scepter is hollow inside. Scepter diameter increasing from 5-6 mm. The testicle ring is available in different diameters. Weight 120 grams. Material stainless steel. You can find more dilators in the shop.