Attached to a single chain, once these bull nose style clamps are affixed to the nipples of your plaything, you can control just how much pleasure or pain they deserve. Simply adjust the level of intensity by turning the screw located near the tip of the clamp. Tips are coated in vinyl for added comfort and safety. Measurements: 16 inches in total length, clamp opens to approximately 0.5 inch wide. Materials Steel and vinyl. Color Silver. From XR Brands.