This is a stabilizer for MSR's OD (Outdoor) gas canisters. It's used to prevent the burner from tipping over when used on uneven ground, providing stability. It's compatible with 110, 250, and 500 size gas canisters. ● Part Number: 36346 ● Product Name: Canister Stand ● Total Weight: 34g ● Material: Stainless Steel ● Country of Origin: Taiwan Description: Provides stable support with a wide base for any size canister (gas cartridge). When folded, it's the size of a 14cm ballpoint pen. Made of stainless steel. (Not compatible with household cassette gas cylinders). A stabilizer that works with various sizes of OD canisters from other companies, in addition to MSR gas cartridges. It allows you to stabilize the burner and cook safely even on uneven ground.