Diamond Machining Technology FWCX Diafold 2-Sided Diamond Sharpener

In this review of the Diafold 2-Sided Portable Diamond Sharpening Stone the bottom line is simple: this compact sharpener is for cooks, outdoorspeople and hobbyists who need a fast, two-stage edge restoration tool that travels well. The reviewer found it particularly useful when a blade needs aggressive material removal followed by quick refinement, and appreciated that the unit is ready to use without oil. Its folding handles protect the stones in a small package, making it a practical choice when space and weight matter.

Key Features

• Two-sided diamond surface: Extra-coarse and coarse faces let the user repair damaged edges and then quickly restore a dull blade to working sharpness.
• Portable folding design: Lightweight handles fold over the whetstone to protect the diamond surfaces for easy transport and storage.
• Monocrystalline diamond: Continuous diamond surface sharpens faster than conventional stones, reducing time spent on each blade.
• No oil required: Can be used dry or with water, streamlining setup and cleanup compared with oiled stones.
• Durable construction: Built to provide years of consistent performance under normal use, making it a dependable addition to a sharpening kit.
• Compact size: Two 4 in x 1 in surfaces provide a full sharpening workflow in a small footprint for field or kitchen use.

Who It's For

The Diafold is ideal for home cooks, campers, and anyone who needs a portable sharpener able to both reshape and refine an edge. It suits knives and small tools that benefit from rapid material removal followed by a coarse-to-finer pass, and it fits in a toolkit or pack without added bulk.

Those who want a super-fine finishing stone for a polished, shaving edge or who need a guided-angle system for consistent bevels should look elsewhere; this model focuses on durable, fast diamond abrasive action rather than ultra-fine polishing or precision-guided sharpening.

Pros & Cons

Pros

• Fast edge repair and restoration thanks to the monocrystalline diamond surfaces.
• Portable fold-and-go handles protect the whetstone and make transport effortless.
• Works dry or with water, eliminating the need for oil and simplifying cleanup.
• Sturdy construction that performs reliably for routine sharpening tasks.

Cons

• The diamond coating can show wear with heavy use, so longevity depends on frequency and intensity of sharpening.

Specifications

Brand	DMT (Diamond Machining Technology)
Model	Diafold 2-Sided FWCX
Stone faces	Extra-coarse and Coarse diamond surfaces
Abrasion rating	Extra-coarse 60 micron / 220; Coarse 45 micron / 325
Surface size	Two 4 in x 1 in whetstone surfaces
Use	Sharpen dry or with water; no oil required
Construction	Monocrystalline diamond surface with folding plastic handles

Our Verdict

The Diafold 2-Sided portable diamond sharpener is a practical, value-oriented tool for anyone who needs aggressive repair and fast edge restoration in a compact package. It delivers reliable sharpening performance, travels easily, and removes the hassle of oils; those seeking ultra-fine finishing or guided-angle precision should pair it with additional stones or systems.

Frequently Asked Questions

Can this sharpener be used without oil?
Yes, it can be used dry or with water; no oil is required for effective sharpening.

What does each side do?
The extra-coarse face (60 micron / 220) removes material for damaged edges, and the coarse face (45 micron / 325) restores a neglected edge quickly.

Is it portable enough for backpacking?
Yes, the folding handles protect the stones and the unit is lightweight and compact enough for camping and travel.