Professional violin column meter to measure the required height of the violin sound post for installation and maintenance

Made with advanced technology, with fluent lines and excellent craftsmanship, bringing you a great user experience A perfect post tool that is essential for violinists and lutheir to install and maintain their violins Used to measure the required height of the violin's sound post The column meter is made of premium brass material, which is durable and compact This lutheir tool provides an accurate sound post gauge for violas and violins to work well