ST08 Yellow 300mm Sling & Rope Tags. Sling tags are perfect for mines and worksites that require certification on a regular basis for ropes and chains. TUFFA Sling Tags are cost effective, strong / durable and will assist it maintaining high levels of safety through certification. The tags are self locking tag with a cable tie style locking mechanism. The unique design ensure the tag does not catch on anything like other inferior tags.