Gerber StrongArm runs a 4.8″ drop point blade in 420HC; Helle Nordlys runs 4.8″ of drop point in Sandvik 14C28N. The Gerber StrongArm is the lighter of the two by 2.61 oz.
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Gerber StrongArm · Drop Point
4.8″ blade · 0.187″ spine · 7.2 oz · ~1.3″ tall
Helle Nordlys · Drop Point
4.8″ blade · 0.122″ spine · 9.81 oz · ~1.3″ tall (derived) · family outline
Spine thickness, same scale
0.187″
0.122″
Length and spine thickness drawn to true scale from published specs. Outlines traced from makers' photos, except where marked as the shape family's.