Will this tool work for stainless steel frets?

Yes. It will just take more elbow grease on your end, and wear out the tool faster

Will it work on low narrow frets on mandolins

Hello Richard, Depending on how narrow your mandolin frets are, this may not be the ideal file for that application. Do you know how wide the frets actually are? The sweet spot for the narrow side of this file is around .080" to .095" + or so. The good news is we have a smaller version of this file in the works.

How long should it last? I've used my 2.0 on about 25-50 necks and it seems dull.

25 to 50 necks? Then It paid for itself eons ago. I've only done 2 necks so far. If it's like my other files then it should last a lifetime. That is, if you keep it clean at all times with a brass brush and chalk. And store it in a dry place. Hope I get 50 necks out it. I'll be doin a stainless fret job soon. True test on that one,

Is it faster to use expedited shipping? Does it come with tracking number?

Yes, if you order the "Seller fulfilled" version (will say Ships from FretGuru / Sold by FretGuru, NOT "Ships from Amazon") and select Expedited, I can personally package it now and get it out the door today (Saturday). You'll get the tracking number. Thanks! Bernie / FretGuru

Diamond Sharkfin Fret Crowning File Md Lg

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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573.71 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Crown your frets like a pro—comfort, precision, and durability in one sleek tool!

COMFORT FIRST DESIGN - Relaxed cutting stroke prevents hand & wrist strain during extended use
DUAL INTEGRATED ARC GEOMETRY - Proprietary D.I.A. design ensures razor-thin, consistent fret crowns
EFFORTLESS PRECISION CROWNING - Ergonomic top-down grip reduces fatigue & boosts control
SMOOTH READY TO POLISH FINISH - Chatter-free cuts minimize sanding, preserving fret integrity
BUILT TO LAST THROUGH BENCH TIME - High-carbon steel with diamond surface for long-lasting performance

The FretGuru Diamond SharkFin Fret Crowning File MD/LG is a professional-grade luthier tool designed for frets .080" to .110" wide. Featuring an ergonomic top-down grip and proprietary Dual Integrated Arc geometry, it delivers precise, chatter-free fret crowning with minimal fatigue. Crafted from high-carbon steel with an industrial diamond cutting surface, it ensures long-lasting, consistent performance on nickel-silver and stainless frets, making it a must-have for serious guitar technicians.

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573.71 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Best Sellers Rank	#9,656 in Musical Instruments ( See Top 100 in Musical Instruments ) #200 in Guitar Tools
Customer Reviews	4.8 out of 5 stars 1,365 Reviews

Diamond SharkFin Fret Crowning File MD/LG

Description

Specifications

Common Questions