Butterfly Clamp with Chain - Black

Black butterfly clamps have silicone tips and are specially designed to become tighter as you pull on the chain. Pressure rating of 2-3. To help customers navigate the world of clamps, Spartacus developed a pressure guide. The clamps are each color coded and numbered 1 (yellow), 2 (orange) or 3 (red), depending on the amount of pressure they apply. Adjustable clamps have multiple numbers, indicating their full range of intensities.