Master Appliance MT-5 Pocket Sized Microtorch with Cap Adjustable flame height for low and high temperatures up to 2500-Degree Fahrenheit/1300-Degree Celsius blue flame Flame resists wind and moisture, perfect for outdoor use Quick starting self igniting piezo electric ignition eliminates the need for lighters or matches Compact pocket sized microtorch, fits easily into pocket or tool kit Refill with master ultratane butane for best performance