{"product_id":"square-guitar-fret-edge-file-with-four-gauge-slots-1mm-2mm-3mm-4mm-carbon-steel-diamond-grit-wooden-handle-for-frets-ends-rounding-luthier-setup","title":"Square Guitar Fret Edge File with Four Gauge Slots 1mm 2mm 3mm 4mm Carbon Steel Diamond Grit Wooden Handle for Frets Ends Rounding Luthier Setup","description":"\u003ch1\u003eSquare Guitar Fret Edge File with Four Gauge Slots 1mm 2mm 3mm 4mm\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Square guitar fret edge file with four gauge slots 1mm 2mm 3mm 4mm, carbon steel body, diamond grit, wooden handle\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/2957\/2025-10-16\/original-image\/11eecd85-5ed4-425e-9afe-6e3a2951ba4f.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis fret edge file is a specialist tool for smoothing fret ends and rounding fret edges on stringed instruments. It provides four gauge slots in 1mm, 2mm, 3mm and 4mm, allowing one file to cover extra narrow frets such as those on ukuleles, standard frets on most guitars, bass, banjo, mandolin and cigar box guitars, and jumbo frets. The flat file section handles fret edge and fret end rounding. The tool is made from carbon steel with diamond-like grits and a solid wooden handle. It measures 227 x 20 x 20mm and weighs 163g. The diamond abrasive is described as coarse for this application, so using fret erasers afterwards helps achieve a smooth finish. The package includes one protective film.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Square guitar fret edge file with four gauge slots 1mm 2mm 3mm 4mm, carbon steel body, diamond grit, wooden handle\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/2957\/2025-10-16\/original-image\/1901b984-fde8-4f0f-94b1-0dbb49f2b7a8.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe file combines a carbon steel body, diamond-like abrasive grits and a solid wooden hand shank. The four slots are sized for different fret widths, and the flat section is shaped for fret edge and end rounding work. This construction is intended to support long service life according to the source information.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eThe file body is made from carbon steel and firmly coated with diamond-like grits. Carbon steel gives the tool a rigid structure, while the diamond-like grits provide the abrasive surface for working fret edges. The hand shank is made of solid wood, which offers excellent grip and smooth operation. The combination of steel and wood is suited to controlled, detailed filing on stringed instruments. The tool weighs 163g, giving it a substantial feel without being overly heavy for hand use.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eThe file measures 227 x 20 x 20mm, with a net weight of 163g. Four gauge slots are provided: 1mm, 2mm, 3mm and 4mm. The 1mm slot is intended for extra narrow frets such as those on ukuleles. The 2mm slot works for all standard guitars, bass, banjo, mandolin and cigar box guitars. The 3mm and 4mm slots are for jumbo frets. This range means the file can be used on most stringed instruments, reducing the need for multiple specialised files.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Square guitar fret edge file with four gauge slots 1mm 2mm 3mm 4mm, carbon steel body, diamond grit, wooden handle\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/2957\/2025-10-16\/original-image\/5881974d-caaf-4b46-b86c-04ec4526df1a.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis fret edge file is suited to fretwork on a range of stringed instruments. It can be used during setups, repairs or building work where fret ends need smoothing or fret edges need rounding. The four slot sizes and flat file section make it a practical addition to a luthier's toolset.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eFor guitar technicians and luthiers, the file offers a way to address fret ends and edges across different instrument types. The 1mm slot handles ukulele frets, while the 2mm slot covers standard guitar, bass, banjo, mandolin and cigar box guitar frets. Jumbo frets can be worked with the 3mm or 4mm slots. The flat file section is used for fret edge and fret end rounding. The wooden handle supports grip during precise work.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eFor players who maintain their own instruments, this file provides a single tool for common fret edge tasks. The gauge slots help match the file to the fret size, and the flat section can be used for rounding fret ends. The diamond abrasive is coarse for this application, so following with fret erasers helps produce a smooth feel. The compact dimensions of 227 x 20 x 20mm make it easy to store in a tool drawer or gig bag.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Square guitar fret edge file with four gauge slots 1mm 2mm 3mm 4mm, carbon steel body, diamond grit, wooden handle\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/2957\/2025-10-16\/original-image\/9fb89ea8-fc3e-4bd9-9487-ae3736a11983.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe file's main practical benefit is its four gauge slots, which allow it to suit extra narrow, standard and jumbo frets. This can reduce the number of separate files needed for different instruments. The carbon steel and diamond-like grits are intended for long service life, and the wooden handle supports controlled use.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe carbon steel body and diamond-like grits are designed to withstand repeated use on fretwork. The solid wooden handle can be wiped clean after use. Storing the file in a dry place helps protect the steel and wood. The protective film included in the package can be used to cover the abrasive surface when not in use. No specialist maintenance instructions are provided beyond keeping the tool clean and dry.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eThis fret edge file offers four slot sizes in one tool: 1mm, 2mm, 3mm and 4mm. It covers extra narrow frets on ukuleles, standard frets on most guitars, bass, banjo, mandolin and cigar box guitars, and jumbo frets. The flat file section handles fret edge and fret end rounding. The carbon steel construction with diamond-like grits and a solid wooden handle is intended for long service life and smooth operation. The file measures 227 x 20 x 20mm and weighs 163g.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Square guitar fret edge file with four gauge slots 1mm 2mm 3mm 4mm, carbon steel body, diamond grit, wooden handle\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/2957\/2025-10-16\/original-image\/a6d22d41-f576-47d5-834d-1ced3aa02b7c.webp\"\u003e\u003c\/div\u003e","brand":"u9cmuw-dx","offers":[{"title":"As shown","offer_id":57889002127740,"sku":"CJSD133377901AZ","price":24.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/1685\/3628\/files\/a6d22d41-f576-47d5-834d-1ced3aa02b7c.webp?v=1792854675","url":"https:\/\/havenmere.co.uk\/products\/square-guitar-fret-edge-file-with-four-gauge-slots-1mm-2mm-3mm-4mm-carbon-steel-diamond-grit-wooden-handle-for-frets-ends-rounding-luthier-setup","provider":"Havenmere.co.uk","version":"1.0","type":"link"}