Kershaw Leek 1660 runs a 3″ modified wharncliffe blade in Sandvik 14C28N; Kershaw Mini Iridium runs 3″ of reverse tanto in D2. The Kershaw Mini Iridium is the lighter of the two by 0.50 oz.
01234567 in
Kershaw Leek 1660 · Modified Wharncliffe
3″ blade · 0.09″ spine · 3 oz · ~0.88″ tall
Kershaw Mini Iridium · Reverse Tanto
3″ blade · 0.09″ spine · 2.5 oz · ~0.86″ tall
Spine thickness, same scale
0.09″
0.09″
Length and spine thickness drawn to true scale from published specs. Outline traced from the maker's side-profile photo.