Fangrui Product Details Butane Adapte Metal Bracket Of The Product Can Play A Supporting Role And It Make The Gas Tank Not Easy To Roll There Is A Locking Device In The Valve Device, Which Can Be Directly Connected To The Gas Tank, The Threaded Design Of The Adapter Interface Has Very Good Sealing. [how To Use]: Insert The Plastic Tab Into The Fuel Canister , Lock The Adapter Onto The Top Of The Canister After Fitting The Butane Adapter To The Fuel Canister Frame, Twist The Metal Portion Of The Adapter Clockwise And Lock It In Place. Convenient For Your Outdoor Camping, Barbecue Or Outdoor Picnic.it Is A Useful Tool For Your Camping, Backpacking, Hunting, Bbq, Barbecue And Other Outdoor Occasions. Outdoor Use Only, Small Size. Safety Stand: Use The Stand When Using The On Its Side. With Automatic Shutdown Function, It T Leak Even Though It Doesnt Connect To The Stove. Colour:black Material: Zinc Alloy + Nylon Package Contents: 5 X Gas Tank Adapter Only The Above Package Content, Other Products Are Not Included. Note: Light