This 3 in 1 adapter set provides continuous gas supply to your stove, do not frequently replace your gas tanks. It features on safe counter-current protection, each adapter independently supplies gas to outdoor stove, which does not affect the use of one/two gas tanks and not worry about leakage for other adapters. Features: 3 in 1 adapter: provides continuous gas supply to your stove,do not frequently replace your gas tanks. Safe counter-current protection, each adapter independently supplies gas to outdoor stove, which does not affect the use of one/two gas tanks and not worry about leakage for other adapters.Stainless steel bracket design for stable support. Dust cover to threaded adapter with good protection. Extension Hose: Increases the distance between your stove and your gas tank. Split Type Furnace Adapter: Used to connect your standard flat tank, magnet split type furnace and butane flame torch. magnet ring for easy and quick connection. Automatic closing function, it won"'"t leak easily. Convenient & Compact: Lightweight and small size for convenient storage. Suitable for camping,hiking,fishing, backacking, eatc.. Specification: Material: Aluminum alloy Stainless Steel Rubber Copper Z30: 19 * 6.2 * 4.6cm /7.5 * 2.4 * 1.8in Z17: 57 * 2cm /42.1 * 0.8in Z13M 4.4 *3cm /1.7 * 1.2in Package weight: Approx. 249-324g / 8.8 - 11.4oz Not: The description is just for one of product, we will arrange