Standard Clamp With Ergonomic Knob and Upright for Twice As Sharp Made in the USA the edge it creates is

the edge it creates is very sharp and durable

So the Spyderco medium is comparable to what other brands call a fine

Wolff Industries Part #20959

The Stump Vise holds the saw and chain so that you can use both hands for sharpening

and is commonly used to sharpen HSS planer knives

Standard Clamp With Ergonomic Knob and Upright for Twice As Sharp Made in the USA the edge it creates isThis is the Standard Shears Lock Clamp that is included as original equipment with the Wolff Industries Twice As Sharp, but with an ergonomic soft rubber knob that's more comfortable and requires less pressure to tighten. The jaws are 1 2" wide and adjust to various tapers of blades. Includes the Angle Upright. Wolff Industries Part #30007