Condition: Newเครื่องมือวัดระดับความสูงเฟรตกีตาร์Fret Rocker Stainless Steel Guitar Luthier ToolDescription:No more guessing for the fret height and no more buzzing!Excellent precision CNC Machined, the Fret Rocker can pinpoint those pesky high frets, and check the final height after you’ve redressed or replaced them.4-in-1 mini straightedge spans three frets, Precision-machined for accuracy to .0008” per foot, the 4”, 3”, 2” and 1-5/16” edges make it versatile for any fretted instrument, f..