Fits ly - Fits tight to the butane cylinder once you turn the knob and easy to screw into the stove. make certain you have the adapter in the loose position and determine how it tightens before placing it on the fuel cylinder. ner for Outdoor Activities - These Camping Gas Adapters are lightweight and portable. accessory for outdoor activities like camping, picnic and BBQ. Suitable for split type furnace.Auto-Off Functional - With the automatic off function. It won't leak even the stove is not connected when connected to the long tank gas cylinder.Size of the Adpter - The outer diameter of the Camping Gas Adapter is approx. 4cm. The inner diameter of the Camping Gas Adapter is approx. 1.1cm (The hole to connect the tube). Material - of quality aluminum and copper with high temperature resistant performance. 2 Pack for your convenience. :Material: & : enDimenssion:Outer Diameter: 4cmInner Diameter: 1.1cm (The hole to connect the tube)Feature:1. and easy to carry.2. accessory for camping, picnic and barbecue.3.Auto-Off function.4.Suitable for split type furnace.5.No leakage.Package Includes:2 x Canister Adapter ( )