TOPS BOB Fieldcraft runs a 4.75″ drop point blade in 1095 Carbon; Gerber StrongArm runs 4.8″ of drop point in 420HC. The Gerber StrongArm is the lighter of the two by 2.40 oz.
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TOPS BOB Fieldcraft · Drop Point
4.75″ blade · 0.188″ spine · 9.6 oz · ~1.5″ tall
Gerber StrongArm · Drop Point
4.8″ blade · 0.187″ spine · 7.2 oz · ~1.3″ tall
Spine thickness, same scale
0.188″
0.187″
Length and spine thickness drawn to true scale from published specs. Outline traced from the maker's side-profile photo.