Lucky Line 5 inch Twisty Key Ring, Black, 5 Pack (8112005) STRONG AND FLEXIBLE 5 inch, corrosion-resistant aircraft nylon-coated cable key ring; pack of 5 Black cables PERMANENT CLOSURE OPTION; Can be crimped for permanent closure by using Lucky Line tool #88100 SECURE AND UNIQUE patented locking mechanism ensures keys stay in ring and are not easily lost VERSATILE; use as a 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