Lucky Line Products Key Ring Twisty Key Ring (81101) STRONG AND FLEXIBLE 5 inch, corrosion-resistant aircraft nylon-coated cable key ring; PERMANENT CLOSURE OPTION; Can be crimped for permanent closure SECURE AND UNIQUE patented locking mechanism ensures keys stay in ring and are not easily lost VERSATILE; use as a durable key ring or binder ring to hold products or documents together HOLDS MANY KEYS; this key ring is designed with the strength and flexibility to hold many keys