MEDIUM-TO-LARGE IRON CONVERSION KIT The Hakko 908-CK Conversion Kit converts any Hakko 907 Soldering Iron that uses medium mass (900M) tips into a Hakko 908 Soldering Iron that uses large mass (900L) tips. Conversion Kit comes with: 900L-T-3.2D Large Mass Tip B1787 Enclosure B1794 Enclosure Nut B2033 Nipple Note: Compatible with Hakko 907 Non-ESD Safe Soldering Iron (PN: C1147), Hakko 907 ESD Safe Soldering Iron (PN: C1148B), and Hakko 913 Fume Extraction Iron (PN: C1265). For Hakko 900M Irons, use conversion kit 900-CK. Specifications Part No. 908-CK Weight 0.789 lb Contents 900L-T-3.2D Tip B1787 Enclosure B1794 Enclosure Nut B2033 Nipple