Lock down your slave and make them submit with this sleek, high quality, chrome collar. An upgrade of our original chrome slave collar, this model features a set of clamps attached by matching chrome chains that let you apply exquisite pain to their nipples. The nipple clamps are fully adjustable via a screw mechanism so you can go from creating a subtle pressure all the way to making them beg. The included hex key locks this collar down tight so they will feel nothing but cool steel around their throat. Measurements: Collar is 4.79 inches in internal diameter (15.07 inch circumference), Collar band is 0.85 inches wide and 0.26 inches thick, Nipple Clamp chains are 11 inches long. Material: Chrome plated steel. Color: Chrome. Note: Includes hex key to lock and unlock collar.