American Lock Aluminum Padlocks Heavy-duty, keyed differently, aluminum lockout padlocks feature an anodized 112" wide body, case-hardened, triple-plated shackle and cover plate. This lock has a 34" body thickness, 14" shackle diameter and a 5-pin rekeyable cylinder offering 10,000 key changes to minimize risk of key duplication. Choose 1", 112" or 3" shackle length in blue, gold, or red. Master key and keyed alike configurations, and other colors available upon request. RED - 1 EACH. Keyed Differently.