Metcal mfr h1 sc2 soldering handpiece and mfr h4 tw soldering tweezers metcal mfr h1 sc2 a soldering cartridge hand piece for metcal mfr series systems fits a comprehensive range of soldering and rework cartridges including fine access soldering smd rework and pad clean up blade tips metcal mfr h1 sc2 soldering handpiece