This listing is for a box of twelve (12) green Plastigage sticks made by MAHLE/Clevite. P/N (12) MPG-1. 

The green Plastigage measures bearing clearances from 0.001" to 0.003" / .025 mm to .076 mm. 

Each package has a measuring scale printed in inches and millimeters. 

Strips are color coded for easy size identification and are soluble in oil. Image shown is of actual product.