Metcal mfr 1110 60w soldering station metcal mfr 1110 the mfr 1110 is part of the metcal mfr 1100 single output series the series is highly versatile in that it can be used with either a soldering tip cartridge or tweezers and offers a choice of four hand piecesthis mfr 1110 single output soldering and rework system comes with one cartridge soldering hand piece the cartridge hand piece uses small diameter cartridges for easy access a wide range of cartridges including models for smd rew