Precise 6 Piece 3/8 to 2-1/4″ Adjustable Parallel Set – 3900-0029

• Made of precision ground tool steel.
• Easily expanded to size in openings for quick reference measurements.
• Lock desired size by using the set screws that are provided with the set.
• Exact size can be set with a micrometer.
• Furnished in fitted plastic case that has size range markings on it.

Includes:
3/8-1/2″, 1/2-11/16″, 11/16-15/16″, 15/16-1-5/16″, 1-5/16-1-3/4″, and 1-3/4-2-1/4″ adjustable parallels.