It looks like you’re inquiring about the Orvis Fly Reel Case / Management AT6539/81. Here’s what I found:

Orvis Fly Reel Case (AT6539/81)
This is a protective case designed to store and organize fly fishing reels, likely part of Orvis’s premium fishing gear lineup. While specific details about this exact model (AT6539/81) are limited, here’s what you can typically expect from an Orvis reel case:

Features (likely included):
– Durable Construction – Made from high-quality materials like nylon, Cordura, or padded fabric for protection.
– Multiple Compartments – Designed to hold one or more fly reels securely.
– Travel-Friendly – May include a zippered closure, webbing handles, or MOLLE-compatible straps.
– Water-Resistant – Some Orvis cases offer water-resistant coatings to protect reels from moisture.
– Branding – Features the Orvis logo and possibly a model/serial number (AT6539/81).

Possible Uses:
– Storing spare reels while traveling.
– Protecting high-end reels from dust, scratches, and impacts.
– Organizing gear in a fishing vest or backpack.

Where to Find It:

Orvis Fly Reel Case / Management At6539/81

– Orvis Official Website – Check their [accessories section](https://www.orvis.com/).
– Fishing Retailers – Tackle shops, Bass Pro Shops, or Cabela’s may carry it.
– Online Marketplaces – eBay, Amazon, or specialty fly-fishing stores.

Alternatives:
If this model is discontinued, consider:
– Orvis Safe Passage Reel Case (a popular alternative).
– Fishpond Reel Cases (similar high-end options).
– Simms Reel Vault (rugged protection).

Would you like help finding purchasing options or verifying if this is a current/discontinued product? Let me know!