Thermaltronics M7DS529 Hoof 60deg 1.52mm (0.06") interchangeable for Metcal SMTC-1167 Temperature: 700 Series For Use With: TMT-9000S-1, TMT-9000S-2, MX-500, MX-5000, MX-5200 Tip Style: Hoof Tip Width: 0.06" (1.52mm) Tip Length: 0.65" (16.40mm)