Featuring a robust caliper tool, this measuring device is nice for determining material thickness in instrument-making and other precision tasks. The user-friendly interface allows for smooth operation, while its compact size ensures easy portability. Crafted for professionals and DIY enthusiasts, it delivers consistent results in demanding applications. Features -Color:Multi -Material:Aluminium alloy -Size:8.50X5.50X1.00cm/3.34X2.16X0.39in -Note: measuring range 0-20mm -Enhanced sound: ensure uniform panel thickness, directly contributing to improved tonal clarity and resonance in string instruments -Shock resistant build: engineered to maintain accuracy during shocks or vibrations, ensuring reliable measurements in dynamic environments -Useful design: features advanced technology to detect even the smallest variations, catering to the needs of meticulous instrument makers -Lightweight design: thickness meter is easy to carry and store, making it a practical tool for both professional workshops and mobile crafting setups -For string instruments: thickness meter is nice for violin and guitar construction, helping artisans achieve optimal material thickness for sound output Package list: 1 x thickness gauge