Helvie® Bob Hershey Signature Series KnivesSignature Series 1 Blade length is approximately 1 3 8 with a slight down angle sweep, sharp on the curve, 5 16 in width, and is . 03" (. 762mm) thick. Handle is 5 3 8 in length. Blade is a scandi grind. Signature Series 2 Blade length is approximately 1 3 4 with a slight down angle sweep 1 2 in width, and is . 05" (1. 27mm) thick. Handle is 5 3 8 in length. Blade is a convex grind. *DISCLAIMER NOTE: Knives are beveled for carving softer woods.