Adjustable Watch Back Case Cover Opener

Unfortunatelly the original "Adjustable Watch Back Case Cover Opener"
https://www.aliexpress.com/item/1pc-Adjustable-Watch-Back-Case-Cover-Opener-Battery-Replacement-Tool-Wrench-Spanner-Remover-Watch-Repair-Kit/32836318742.html?spm=a2g0s.9042311.0.0.7AOJwN
can't stretch enoguh to grip my watch so i created this thing. Basically it is the same thing with the center slide region elongated for 10mm.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/e4pZkVcz37