Lightweight Anti-rust Ring Stick, Finger Measuring Stick, Jewelry Repairer for Jeweler Shop

Used to measure the size of the ring and to help shape the ring.
Easy to use and read with the clear and accurate scales on the stick.
Ring mandrel made of aluminium material, anti-rust and corrosion resistant for long term use.
Lightweight and portable, easy to carry and store.
Four-purpose ruler, suitable for different countries, wide range of use.