Description: Luthier Fret Finder Rocker Guitar Frets Leveling Tool. This 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, from basses to guitars to mandolins. Made of 0.11"(2.8mm) carbon steel with a satin finish, for durability in professional use. Suitable for guitar bass ukulele mandolin banjo. Size Chart: Size: Approx. 103x52x2.8mm/4.06x2.05x0.11inch Package Includes: 1 Piece Fret Rocker Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!