SHARPAL 196N Angle Pyramid Whetstone Knife Blade Sharpener Sharpening Stone Angle Guide 2-Pack, 4 Universal Angles-14°, 17°, 20°, 25° auspowers_batchone These exposed surface diamonds do

These exposed surface diamonds do the grinding work

a wire or drill tube

sharpening paste

decorative stripes and patterns

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SHARPAL 196N Angle Pyramid Whetstone Knife Blade Sharpener Sharpening Stone Angle Guide 2-Pack, 4 Universal Angles-14°, 17°, 20°, 25° auspowers_batchone These exposed surface diamonds doSHARPAL 196N Angle Pyramid Whetstone Knife Blade Sharpener Sharpening Stone Angle Guide 2 Pack, 4 Universal Angles 14, 17, 20, 25 Product Features It makes sharpening blade edge like a pro! Each integrated with 4 universal angles 14, 17, 20, 25 Patent pending design to guarantee exact angle regardless of blade size The orange angle guide is with magnetic base applied to sharpening stone of ferrous metal construction The black one is with anti slip