Here are some of its notable features:

It gives added protection against salt

The #6 measures 2

5 Mix Type Internal Mix

Walter 7/16 X 2 Depth Icecut Annular Core Cutters Universal Shank 3.2 Here are some of itsDimensions Diameter 7 16" Length 2" Details Annular Cutter Drive Style Universal Shank Description The new ICECUT annular cutters are coated with an exclusive mixture of chromium and aluminum AICrN and are designed to be used where lubricants are not permitted or problematic to apply. This new technology outperforms any Titanium TiN or Titanium Aluminum TiAIN coating cutters. By incorporating a chromium aluminum blend into the coating. Walter ICECUT