The Metcal Smartheat chisel tip 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 0.04 in, length of 0.36 in and thickness of. This chisel tip is designed to work with MFR-1110 - Soldering System, MFR-1161 - Soldering System, MFR-1351 - Soldering System, MFR-2211 - Soldering System, MFR-2241 - Soldering System, MFR-H1-SC - Handpiece.