Weller Pyropen Junior Soldering Iron WELPYROJUN The Pyropen Junior mini iron is supplied with a 0.5 mm tapered needle soldering tip and an aluminium protective cap with pocket clip. The heavy-duty Pyropen Piezo iron has a push button self ignition and is supplied with a tapered needle tip and hot air nozzle which is ideal for shrinking tubing. Use gas refill PGR1. WELPYROJUN