Thermaltronics PM75CH178 Chisel 30deg 1.0mm (0.04") interchangeable for Metcal SFP-CH10 Temperature: 75 Series For Use With: TMT-2000S-P, TMT-2000S-PM, MFR Systems Tip Style: Chisel 30deg Tip Width: 0.04" (1.00mm) Tip Length: 0.35" (9.00mm)