Blade Abbreviations Used by W.R. Case & Sons on Their Pocketknives

In addition to the pattern number, Case often stamps additional letters that represent certain blades or other unique characteristics incorporated in its knives.  The blade abbreviations may be located behind, below, or on a different blade as the pattern number. Below is a list of abbreviations and what they stand for. If you run across any terms that you are not familiar with, click hear to look it up in our glossary of terms.

Be sure to stop by our store & shop for W.R. Case pocket knives to add some interesting blade configuration variations to your collection of folding Case pocket knives!


If you can not find the abbreviation you are looking for, please read the bottom of this page.

CC = Blade will have a concave grind. see illustration

D = Blades made from damascus steal.see illustration

DR = Rear bolster will be drilled for lanyard. see illustration

EO = The knife will have an easy open feature. see illustration

F = The knife will have a file blade or a fisherman’s blade.

HP = This knife will have both a sheepfoot blade and a spey blade. see illustration

HE = This knife will have a sheepfoot and pen blade. see illustration

I = The knife will have iron liners.

J = The knife will have a long spey blade.

K = The knife will have a corkscrew. see illustration

L = The knife will have a locking mechanism. see illustration

P = The knife will have a punch blade. see illustration

PEN = The knife will have a pen blade. see illustration

PU = The knife will have a punch blade. see illustration

R = There will be a bail in the handle, or the knife will have a razor blade.

RAZ = The knife will have a razor blade or one armed man blade. see illustration

SAB = The blade will be saber-ground. see illustration

SHAD = The knife will not have bolsters. see illustration

SC = The knife will have a pair of scissors. see illustration

SICS = The knife will have a pair of scissors. see illustration

SP = The knife will have a spey blade. see illustration

SS = The blades and springs will be stainless steel.

SH = The knife will have a sheepsfoot blade. see illustration

S = The knife will not have bolsters. see illustration

SSP = The blades and springs will be stainless steal and will have polished blade edges.

T = The knife will have tip bolsters. see illustration

W = The knife will have a wharncliff blade. see illustration

X = Used to signify a change in the handle dye.

1/2 = The knife will have a clip master blade. see illustration

3/4 = The knife will be saber ground on one side and not the other. (rare).

*Note that blade abbreviations often run together. For instance; SHR indicates that the knife will have a sheepsfoot blade as designated by the SH, and will have a bail as indicated by the R. In addition, you may find instances where the abbreviations are shortened to save space. You may run across an HE. This would indicate that the knife will have a sheepsfoot blade and a pen blade. The S was dropped from the SH, and the P, and N were dropped from the PEN. As you become more knowledgeable about blades, you will find it easier to identify any abbreviated abbreviation. Click here to learn more about blades.