That makes sense , but as far as the blue one goes , it may as well be metal because it definitely isn’t see through. I found a few metal 1/2 in wide by 6in long metal rulers on amazon for around $5, may try one of those. <!–more–>
The guide is clear but has a blue protective film that should be peeled off. 🙂
Actually, the AAG is parallel to the vice’s jaw line, and the base. The blade is not parallel because it’s rotated some to optimize the sharpening efficiency. Each knife I position as needed to best utilize the “sweet spot.”