When you want a ... handsfree way to get a hard bite on your nipples, penis, or lips, these magnetic spheres are an attractive and interesting change from your standard clamps! Place a bullet on either side of your desired target and watch the magnets compress the skin in a way you have never felt before. Elegant and small, they almost look like a piercing! Technical Characteristics maximum diameter 0.9 cm. Minimum diameter 0.9 cm. Waterproof weight 30 gr. magnet material