The Metcal SMTC-1134 SMTC 700 Series Soldering Cartridge, .46 x .51 x 1.0 x .125 in. (11.68 x 12.95 x 25.4 x 3.18 mm), SOP-40 Tunnel, is designed for reworking SMT components, providing excellent performance during assembly, removal and cleaning. It is suitable for use with the MX-500, MX-5000, and MX-5200 Systems, and with the MX-RM3E, MX-RM6E,and MX-H1-AV Solder Hand Pieces. The cartridge is equipped with the 700 Series heater, which is ideal for most standard applications.