GamutTek Baroque string action ruler and Fritz Ruler, the best pair, two piece set!

Description

[Baroque ruler] A ruler for measuring string height, frets, nuts, saddle, and other parts of a guitar. Material: stainless steel Size: about 55mm*90mm*1mm Weight: about 30g Graduations displayed: mm and inches The surface is used for adjusting the string height. Absolutely hassle-free.By just holding this card to the strings, you can visually judge the suitable string height.