The Metcal Smartheat soldering cartridge is another quality product from Metcal. Offers a chisel tip. The important aspects of buying these products, for proper sizing, are the width, length and thickness of the tip. This product comes with a tip width of 0.07 in, length of 0.39 in and thickness of. This soldering cartridge is designed to work with MX-500 - Soldering System, MX-5000 - Soldering System, MX-5200 - Desoldering System, MX-H1-AV - Soldering Handpiece, MX-RM3E - Soldering Handpiece. Additional, and potentially important, information was collected about this product: Chisel Type: 600 Series, Chisel, Bent, 1.78 mm, For Temperature Sensitive Applications