Adorn your partners nipples with weighted glass orbs. These nipple clamps have vinyl tips to remain comfortable while your masochist savors the ache. Thumbscrews easily adjust the pressure to their tolerance level. The beautiful glass spheres will dangle alluringly from the clamps, adding 3 ounces of delicious agony each. Measurements: 4.75 inches in total length. Clamps are 2.25 inches in length. Orbs are 1.5 inches in diameter. Material: Glass, metal, PVC.