1、Accurate Measurements: With the electric guitar fret press caul set, you can easily and accurately measure fingerboards with varying curvatures. This kit ensures that frets are set at the correct height for optimal playability and tone. 2、9 Different Radius Caul Inserts: Featuring 9 different radius caul inserts, this guitar bass fret press caul set is versatile and suitable for a variety of instruments. Whether you are working on an electric guitar, bass, or other stringed instrument, this set has the right caul for the job. 3、Easy To Use: The guitar fret press caul set is designed for user friendly operating. Simply insert the appropriate caul into the tool and press it onto the fingerboard to secure frets in place. This tool makes fretting your guitar a quick and easy process, saving you time and effort. 4、Multifunctional: Whether you are a professional luthier or a DIY enthusiast, this guitar fingerboard pressing tool is indispensable for achieving a professional guitar setup. By ensuring that frets are properly seated and leveled, you can improve the playability and sound quality of your instrument. 5、Excellent Alloy Material: This guitar fretboard press caul with inserts are made of excellent alloy material, which are sturdy and abrasion resistant, not easy to be damaged and have a long service life, compact and lightweight, and easy to be operated.