StewMac Fretbar Understring Leveler, 4.5 Inch Fret Leveling Bar

How do you level the frets at the right tension?One of the most challenging things to get right with any setup or fret work is knowing the frets will be level under actual string tension and playing conditions. Now we\'ve made it easy.This revolutionary new tool lets you level your frets under full tension without removing the strings. It\'s designed to work with 1\" abrasives for ultra-fast set up and leveling.Fret work without guessworkWith the Fretbar you\'ll level the frets with the exact tension the neck has when played. This is because the Fretbar fits UNDER and BETWEEN the strings, with the guitar tuned to pitch. The precision-ground surface is just 5/64\" thick, allowing you to glide under the strings when leveling.Because the neck is under tension, you\'ll clearly see every hump, twist, high or low spot. With the Fretbar you can level the frets without worry or any \"surprises\" that pop up after the job.4.5\" length ideal for spot leveling problematic frets all over the neck. It\'s also perfect for creating fallaway on acoustic guitars.Works with the strings off tooThe Fretbar is a great option for any fret work.Built for a lifetime of useMade of durable extruded 6061 aluminumGuaranteed accuracy of ±0.0015\" per footDesigned to work with our custom 1\" wide 3M Gold AbrasivesWorks with the strings on or offYour fastest and most profitable leveling everBecause you don\'t need to remove or replace the strings, you\'ll save time on every leveling job. No more wasted strings or sandpaper!4.5\" Fretbar is 3/4\" (19mm) wide x 1-15/32\" (37mm) tall extruded aluminumWorks on stainless frets, too!Our own shop experience indicates the wire does not cause premature wear of files or sandpapers.