Voelermaat / Feeler gauge

This equipment is Noise Category 3: Can be used at all hours. No limits.

This equipment is safety category 6: Other equipment with no limits.

Feeler gauges are hand-held measuring tools toy measure the width of small gaps.

See: https://www.wonkeedonkeetools.co.uk/feeler-gauges/how-do-you-use-a-feeler-gauge and [youtube]

Location

In the top drawer of the red-metal cart in the metal workshop.