Ruike Hussar P121 runs a 3.62″ drop point blade in Sandvik 14C28N; CRKT LCK+ Large 3810 runs 3.62″ of drop point in 8Cr13MoV. The CRKT LCK+ Large 3810 is the lighter of the two by 1.68 oz.
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Ruike Hussar P121 · Drop Point
3.62″ blade · 0.14″ spine · 4.48 oz · ~0.95″ tall
CRKT LCK+ Large 3810 · Drop Point
3.62″ blade · 0.12″ spine · 2.8 oz · ~0.88″ tall (derived) · family outline
Spine thickness, same scale
0.14″
0.12″
Length and spine thickness drawn to true scale from published specs. Outlines traced from makers' photos, except where marked as the shape family's.