Niwaki Diamond File
Niwaki Diamond File
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A compact diamond file designed for quick edge touch-ups and maintaining small blades. The fine diamond abrasive cuts efficiently even on very hard steels, making it useful for sharpening tools that would be slow or awkward to work on with traditional stones.
Diamond files work by using industrial diamond particles bonded to a metal plate. This creates a very hard abrasive surface that stays flat and removes steel quickly, even from hardened tool steels. For small tools like secateurs, shears, and garden knives, they’re an ideal way to keep edges sharp without needing a full sharpening setup.
The Niwaki Diamond File is slim, lightweight, and easy to control, making it well suited to precise work on narrow bevels and tight curves. It’s particularly handy for gardeners maintaining pruning tools, though it’s equally useful around the workshop for touching up blades and edges that don’t suit larger stones.
If you’re looking for a simple, portable sharpening tool that cuts fast and requires minimal setup, a diamond file is hard to beat.
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Abrasive – Diamond grit
Use – Secateurs, shears, garden tools, small blades
Construction – Diamond abrasive bonded to metal plate
Length – Approx. 210mm
We ship Tuesday to Saturday using Royal Mail Tracked 24.
All knives ship via an age verified service in accordance with The Offensive Weapons Act 2019, which will mean the postie will need you to be in to receive the delivery & to check your ID if you look under 25.
The law also requires us to carry out a soft age check of the purchaser after checkout, this is done by an automated system that usually doesn't require your input, although we will need to contact you for proof of age if you fail, which can sometimes happen if you use a work address.
