Kershaw Leek 1660 runs a 3″ modified wharncliffe blade in Sandvik 14C28N; Ontario RAT Model 2 runs 3″ of drop point in AUS-8. The Ontario RAT Model 2 is the lighter of the two by 0.30 oz.
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Kershaw Leek 1660 · Modified Wharncliffe
3″ blade · 0.09″ spine · 3 oz · ~0.88″ tall
Ontario RAT Model 2 · Drop Point
3″ blade · 0.093″ spine · 2.7 oz · ~0.9″ tall
Spine thickness, same scale
0.09″
0.093″
Length and spine thickness drawn to true scale from published specs. Outline traced from the maker's side-profile photo.