• Brand: Asimeto
• Includes : 5/16-1/2, 1/2-3/4, 3/4-1.1/4, 1.1/4-2.1/8, 2.1/8-3.1/2, 3.1/2-6
• Minimum Measurement (Inch): 5/16"
• Maximum Measurement (Inch): 6
• Number of Pieces: 6
Spring-loaded plunger expands within the bore (or groove), allowing determination of the internal diameter with a knurled clamp