Airflo Depthfinder Big Game Line Weight:300 Grain and a flat-bottom profile helps

and a flat-bottom profile helps you get a good clean face on your pit wall

And just like the original

Waterproof: DuraShield™ fabric coating and taped seams keep the elements outside where they belong

When your quarry has eyes the size of dinner plates (almost)

Airflo Depthfinder Big Game Line Weight:300 Grain and a flat-bottom profile helpsBecause seconds count, the Airflo Depthfinder Big Game fly lines are fast loading, 30' heads that quickly gets you in the game. And its 300 to 700 grain head drives your fly immediately to depth while the intermediate running line helps keep it there. An extremely low stretch, 50 lb Power Core means positive hook sets even at depth.