Product description

Three size to choose, 42-52cm, 49-62cm, 57-70cm, pls choose the one you need, thanks!
Hat calipers are an essential tool for measuring the suitability of a hat
The outer ring of the product is made of bright and flexible stainless steel material, so it can be restored to its original state after use
Package Included:1 x Hat Ruler

Note:

1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-3cm differences due to manual measurement.