FineSource Digital Caliper Case. Cheap Calipers from Amazon came without any sort of case. Added a small spare battery compartment. Battery is press fit in and can be pushed out from the bottom.

Calipers: https://www.amazon.ca/FineSource-Electronic-Conversion-Micrometer-Measuring/dp/B073N7F2CK?ref_=Oct_s9_apbd_orecs_hd_bw_bCwAlvv&pf_rd_r=3AGBFMS44Q1HSPWSZ8AW&pf_rd_p=f612a14b-b364-5910-b22b-4f91235bcb31&pf_rd_s=merchandised-search-10&pf_rd_t=BROWSE&pf_rd_i=11853189011

Most calipers are pretty similar and they might fit yours too if you dont have a case.

The pins may require 2-10% longer in order to work as intended in hinges.