2-Pack Camping Gas Adapters Self-Close For Butane Tanks Screwed Into Gas Cylinders, 3*4.1*4.5cm Description: PERFECT FIT - After turning the knob, it fits snugly on the butane gas cylinder and is easy to screw into the stove. Just make sure the adapter is in the loose position and determine how it is tightened before placing it on the fuel cylinder.Your partner in the outdoors - these camping gas adapters are lightweight and portable. A great accessory for outdoor activities such as camping, picnics and barbecues. Suitable for split furnaces. Auto-Off Feature - Has an auto-off feature. When connected to a long tank gas cylinder, it will not leak even if the stove is not connected. Adapter Dimensions - The outer diameter of a camping gas adapter is approx. 4 cm. The inner diameter of the camping gas adapter is approx. 1.1cm (hole to connect the tube). PREMIUM MATERIALS - Made of high quality aluminium and copper for high temperature resistance. Specifications: Material: Aluminum and Copper Color: GoldNote: Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture.Delivery Quantity: 2