SM3770 StewMac Fret Rocker stainless steel, 10/7,5/5/3,5 cm edges

Pinpoint those pesky high frets and check the final height after you've redressed or replaced them. Reach for the Fret Rocker! It's made of stainless steel with a durable finish for professional use. It's an indispensable diagnostic tool before and after partial refretting and recrowning jobs. It lets you do more accurate fret work for better playability.

Our 4-in-1 mini straightedge spans three frets and "rocks" to indicate uneven fret heights. Precision-machined for accuracy to .0015" per foot, the 10, 7, 5 and 3,5 cm edges make it versatile for any fretted instrument from basses to guitars to mandolins.