Replacement fly box foam

Magnetic Fly Threader Knot Assist Helper for Threading Hooks Tippet Fishing US

Ripple Foam Products, Fly Box Refills

2 PK OLDE FLY SHOP REPLACEMENT SLIT FOAM SHEETS FOR FLY BOXES

Mini Single Sided Fly Box, Foam, Waterproof & Compact, Midges, Nymphs & Dries

Small Ultra Slim Fly Box with Tear Drop Foam Item #1426

LG " Hook Threader " 3 pc with adhesive Foam to stick it in any fly box

Fly Fishing Magnetic Fly Threader Fishing Anglers Tippet Threader