Range - From fine @0.075"to coarse @0.100"per Brown & Sharpe micrometer.

can i use the thin ones (140 mm) to file my tree saw teeth?

I’m not sure this would be the correct tool to sharpen a tree saw. Now if we were talking about a chainsaw blade I would say maybe but again there are better methods of sharpening. Hope this helps.

has anyone used these to gently file down small chips in crystal?

The grit is way to coarse. You need #1000 grit carbide or diamond dust paper to smoothe chips in crystal and tempered glass.

Are these rust proof for wet sanding/filing?

So far these have not rusted. I suppose you could use water to file but why? I use these for filing hardened stainless steel. I’m a surgical instrument maker.

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💎 Sharpen your craft with diamond precision—because details make the difference.

COMPACT PRECISION - Optimally sized at 7 inches total with 2 inches of diamond surface—ideal for intricate mold making and fine metalwork.
ERGONOMIC CONTROL - Round dipped handles provide a fatigue-free grip, empowering you to maintain perfect control during extended sessions.
MULTI GRIT MASTERY - Six distinct diamond grit levels ensure flawless shaping on metals, glass, and stones—precision tailored to every project.
ON THE GO ORGANIZATION - Durable PVC pouch keeps your files protected and ready, so you never miss a beat on your next creative venture.
INDUSTRIAL DIAMOND POWER - Coated with premium industrial diamonds for unmatched durability and rapid material removal—work smarter, not harder.

The SE 74330DF 6-Piece Flat Diamond Grit File Set features six industrial diamond-coated files ranging from 40 to 600 grit, designed for precise shaping of metals, glass, and stones. Each 7-inch file includes a 2-inch diamond surface and ergonomic round dipped handles for comfort. The set comes with a durable PVC pouch for organized storage, making it an essential toolkit upgrade for professionals demanding accuracy and durability.

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S$37

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Size	4 x 0.25 inches
Backing Type	Paper
Product Dimensions	4"L x 0.25"W
Brand	SE
Grit Type	Fine
Grit Material	Diamond
Grit Number	40.0
Material	Diamond-coated
Unit Count	1.0 Count
UPC	706569024449
Manufacturer	Sona Enterprises
Global Trade Identification Number	00706569024449
Part Number	74330DF
Item Weight	5.6 ounces
Item model number	74330DF
Is Discontinued By Manufacturer	No
Shape	Flat
Power Source	Hand_powered
Item Package Quantity	1
Handle Material	Dipped plastic
Measurement System	United States Customary Unit System
Included Components	File
Batteries Included?	No
Batteries Required?	No

SE 74330DF 6-Piece Flat Diamond Grit File Set - Multi-Grit for Metals, Glass, Stones - 7" Length, 2" Diamond Surface, Round Handles - Includes PVC Pouch

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