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Three-Angle Whetstone Knife Guide
A 60 x 70 x 16 mm sharpening angle block with three 22 mm wide ramps at 15°, 17° and 20°. They cover Japanese, hybrid and Western kitchen knives. Set it on the whetstone, lay the blade flat on the ramp you want to lock in the angle, then slide off and sharpen. The ramps are marked 1, 2 or 3 dots on the back block, and a 6 mm hole lets you hang it next to the stone.
Flagged: a sharp edge or blade. Not for safety-critical use without independent engineering review.
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