OSHA/ANSI safety scale used to check machine guarding. Quantity = 1 scale.

MSS’s Universal Safety Scale (Universal “Gotcha Stick”) is used to test the allowable guard opening size to ensure personnel cannot reach the hazard and that openings in barrier guards comply with OSHA and ANSI standards for machine safeguarding.  This tool is based on measurements of the human body, and is intended to be representative of the finger, hand and arm. This two-segment foldable scale includes Inches on one side and Metric units of measure on the other side.