The patent-pending Tube Tag gives you the durability and readability of an etched stainless steel tag, and combines it with t ... he most durable attachment method ever devised for a sling tag. The Tube Tag doesn’t rely on any cables or clips to keep your sling in compliance. No more downtime in the field due to tags coming off the sling! The Tube Tag is integrated into the assembly of the sling and does not rely on any cables, clips, etc., to keep your tag on and sling in compliance. read more