The halo_tool_kit.zip file you have requested: Tools and Utilities / Map Tools / Halo Tool Kit - 69.65kb is not available. Perhaps try browsing all files for the game Halo: Combat Evolved and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Halo, visit Halo2.filefront.com A utility for Halo. Has all the things you need. like HMT v3.5, HHt 5, Spark Edit, ect.