Buyinhere Jet Pencil Flame 503 Torch Refillable Butane Gas Fuel Welding Soldering Pen Lighter Refillable pencil jet torch. Material: Metal & ABS Dimension: 165 x 23 x 18 mm(L x W x H). Capacity: 3.5g Pressure inside : 0.350.05 MPA. Continuous burning time: No more than 8 minutes. 1300 flame adjusts for use. Note: Come without lighter gas because of customs problem. Lighter gas required when you use it.