Lightweight fly rod tube for backpacking. Flourescent light bulb protector from home depot ($5). Cut to length. Weighs about 2.5 oz. Couldn't find anything online under 10oz. : r/WildernessBackpacking

Ultra-lite Fly Rod Tubes – Bourne Outdoors

Black Cordura Rod Tubes Available in 28”, 32” and 36” Tough rod tube to protect your fly rod, with carry handle, ID pouch, zippered end cap and

Cordura Rod Tube — Fortitude Rod Co

Durable but light fly rod tube for backpacking - Backpacking Light

Tube guards are a smart lighting fluorescent lighting accessory for rugged work spaces, made to protect your lamps from dangerous breakage and shield

4 ft. T8 Fluorescent Bulb Tube Guard with End Caps

Fluorescent Tube Lights - Tube Lights - The Home Depot

LDS Preparedness Manual - Green-Trust.Org

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Creating Case for Rod, can't find End caps! - Backpacking Light

Metalux 4 ft. T12 Fluorescent Bulb Tube Guard with End Caps TG04 - The Home Depot

Fly Rod Tubes & Socks, CTS Fishing

Metalux 4 ft. T8 Fluorescent Bulb Tube Guard with End Caps LTG04T8 - The Home Depot

Cordura Rod Tube — Fortitude Rod Co

Fly Rod Tubes & Socks, CTS Fishing

Travel Tube – Vision Fly Fishing

Fluorescent Tube Lights - Tube Lights - The Home Depot