Stanley STHT71839 Folding Metric and Sae Hex Keys, 2-Pack STANLEY STHT71839 2pk FOLDING METRIC HEX KEYS: This unit features durable composite construction. The rubber side inserts allow for a secure grip and the chamfered edge helps guide the wrench for a smooth, easy entry of the hex key. It has size markings printed on the hex key body for easy identification. This is a compact, self-storing tool. This tool meets ANSI specifications. Features Durable composite construction Rubber side inserts for secure grip Size markings for easy identification Meets ANSI specification USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.