G-WORKS GAS SAVER R1 - Gas Saver R1 helps to move the remaining gas from used gas container. - Very simple and easy. Compact Size, High Performance, Excellent Durabllity Upgraded with Strong Super Duralumin Good Design / High Quality - Gas Saver R1 move the remaining gas of upper side to container of under side using pressure difference - Designed for compact and the shortest distance for minimize resistance Model : 1EA gas saver R1 (Not included another adapter) Material : Anodized Super Duralumin / Brass Weight : 38g Size : (W)50 x (D)16 x (H)29.5mm