Easily transfer liquefied gas between Long cylinders and screw type cylinders with this adapter. Safely empty your gas tank for recycling or disposal with the vent valve. Made with super aluminum alloy, brass, and rubber for long-lasting use. Compact and lightweight design makes it easy to carry. Model:Z15 Net Weight:Approx. 36g/1.3oz Colour:Silver/Black Material:Metal Size:94x16x30mm/3.7x0.6x1.2in, Folded Size:56x16x30mm/2.2x0.6x1.2in Package Contents: 1 * Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.