Z54 and Z58 Features: 45 quick-loading gas tanks interface, quick locking gas tanks, seale d and airtight. The interface of the stoves is accurate thread cutting, and it has the function of automatic air closing. There are independent gas adjustment switches on both sides. With a handle for easy carrying and remove. There is a folding bracket at the bottom, which can keep the gas output in the gas tanks when unfolded. There is a leak-proof rubber-ring in the extension hose. The outer layer of the extension hose is braided with steel wire, and theinterior is made of flame-retardant rubber, which is resistant tostretching and has fine airtightness. Specifications: Type: Z54, Z58 (optional) Material: aluminum alloy+brass+stainless steel Fueltank size(fold): 280 * 45 * 50mm / 11.0 * 1.8 * 2.0in Fueltank size(unfold): 280 * 45 * 70mm / 11.0 * 1.8 * 2.8in Extension hose length: 285mm / 11.2in Fueltank weight: 625g / 1.4lb Extension hose: 50g / 1.8ounce Package size: Z54: 280 * 50 * 45mm / 11.0 * 2.0 * 1.8in Z58: 290 * 20 * 20mm / 11.4 * 0.8 * 0.8in Package weight: Z54: 650g / 1.4lb Z58: 60g / 2.1ounce Packing List: Z54: 1 * FuelTank Z58: 1 * Extension Hose This 3 in 1 adapter 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. BKZ54 Adapter Features: Four gas tanks can be connected to provides gas to two furnaces. You can also connect only 1/2/3 gas tanks. 45 quick-loading gas tanks interface, quick locking gas tanks, sealed and airtight. The interface of the stoves is accurate thread cutting, and it has the function of automatic air closing. There are independent gas adjustment switches on both sides. With a handle for easy carrying and remove. There is a folding bracket at the bottom, which can keep the gas output in the gas tanks when unfolded. Specifications: Color: black Material: aluminum alloy+brass+stainless steel Fueltank size(fold): 280 * 45 * 50mm / 11.0 * 1.8 * 2.0in Fueltank size(unfold): 280 * 45 * 70mm / 11.0 * 1.8 * 2.8in Fueltank weight: 625g / 1.4lb Package size: 280 * 50 * 45mm / 11.0 * 2.0 * 1.8in Package weight: 650g / 1.4lb Packing List: 1 * FuelTank BKZ54 Adapter