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💎 Crown your frets like a pro—comfort, precision, and durability in one sleek tool!
The FretGuru Diamond SharkFin Fret Crowning File MD/LG is a premium luthier tool crafted from high-carbon steel with an industrial diamond cutting surface. Designed for frets .080" to .110" wide, it features an ergonomic top-down grip that reduces fatigue and enhances control. Its proprietary Dual Integrated Arc geometry delivers precise, chatter-free fret crowns with minimal sanding required. Ideal for both beginners and professional luthiers, this file offers superior clearance for upper frets and long-lasting performance on nickel-silver and stainless steel frets.















| ASIN | B08P81H8Q2 |
| Best Sellers Rank | #9,070 in Musical Instruments ( See Top 100 in Musical Instruments ) #187 in Guitar Tools |
| Body Material | Tool Steel |
| Color Name | Diamond Sharkfin MD/LG |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,366) |
| Date First Available | November 27, 2020 |
| Item Weight | 4.2 ounces |
| Item model number | FG-DSF-ML |
| Material Type | Tool Steel |
| Product Dimensions | 8 x 1 x 0.5 inches |
| Proficiency Level | All From Beginners to Luthiers |
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