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A fast and efficient 3-stone CBN sharpening set for hunting, fishing, outdoor, and EDC knives. Designed for rapid edge restoration and high-quality sharpening across a wide range of steels.
160 Grit
160 grit (125/100 µm) provides aggressive material removal for restoring damaged or heavily worn edges and quickly forming a new bevel.
300 Grit
300 grit (60/40 µm) refines the bevel after the coarse stage and delivers a sharp, practical working edge with excellent cutting performance.
650 Grit
650 grit (28/20 µm) removes the deeper scratches from previous stages and produces a cleaner, sharper, and more refined working edge.
Outdoor Set
The set includes three PDT Premium Silver CBN stones selected to cover the most important sharpening stages — from fast edge restoration to a clean and highly functional finish.
The 160 → 300 → 650 grit progression is ideal for users who want a simple, fast, and effective sharpening setup without using a large number of stones.
Performance
PDT Premium Silver CBN stones combine high cutting speed with excellent control, making them especially effective when you need to sharpen a knife quickly without sacrificing edge quality.
Authenticity
Hapstone is the official distributor of PDT sharpening stones.
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Steel Compatibility
Premium Silver CBN stones work efficiently on common knife steels, hardened tool steels, powder metallurgy steels, and high-hardness steels around 67 HRC and above.
Set Specifications
