Very similar to German WW1 and WW2 tent accessories, this one is a tiny bit bigger and has different details. Works with most shelter halves, like
Swiss shelter half accessory set, old model, surplus
David Canterbury
5-person Shelter-In-Place/Lockdown Bucket Kit
Emergency Shelter Kit
Cover & Shelter
Shelter Accessories
Why You Need A Survival Tarp in Your Pack
10 Pcs Ice Anchor Kit Includes Ice Anchor Drill Adapter Shelter
Effetto Mariposa Shelter Protective Tape - Wheel Kit - Accessories
Universal Mounting Hardware Bracket Accessories Kit for Car Awning
Emergency Shelter Kit
The Clam Shelter Runner Kit is designed to protect the bottom of your shelter's sled for extended use. Made from high-density polyethylene, the Clam Runner Kit is super durable to withstand the rigors of being towed behind your snowmobile or ATV. Plus, the Clam Runner Kit will reduce friction and drag making it easier to pull your shelter sled by hand.
Clam Runner Kit - Scout, Pro, Nanook, Guide, Legend
Outbreak 350XD
MSR Mesh Repair Kit Tent Accessory - Tent Accessory - Tents