If you love the feel of metal cock rings but crave a more tailored fit for your size and shape then the ElectraStim Metallic Adjustable E-Stim Cock Rings could be your perfect match. Made from a non-stretch metallic coil, they offer excellent conductivity and complete comfort during wear. Slip the loops around any part of your shaft to intensify the sexual sensations you feel during masturbation, foreplay, oral sex and sex. Dimensions: Adjustable up to 1.75 inches (44.5mm) in diameter. Materials: Made from 316 medical-grade stainless steel.