PETZL - Tanga Connector Ring 10 Pack INTENDED USE: The TANGA positioning ring helps hold the connector in the correct position. COMPATIBILITY: This positioning ring is compatible with most Petzl carabiners. A MUST HAVE: Extremely useful accessory that keeps your gear in place and provides an extra level of safety. DURABLE: Made from durable elastomer that's sure to stand up to the test. WEIGHT: This positioning ring weighs only 5 grams.