Best Digital Caliper That Can Get Wet IP67 iGaging iP67 Coolant Cal X Large Digital Display Caliper,

https://www.penntoolco.com/igaging-ip67-coolant-cal-x-large-digital-display-caliper-6-100-800-06/

iGaging iP67 Coolant Cal X-Large Digital Display Caliper, 6" - 100-800-06

Features:

Range: 0-6” / 0-150mm
Resolution: 0.0005” / 0.01mm
Accuracy: 0.0015”/0.03mm
IP67 Protective Rating Water & Coolant Proof
High contrast LCD display
Protective case
Stainless steel frame
3V CR2032 Battery