• Minimum Measurement (Inch): 2-1/8"
• Maximum Measurement (Inch): 3-1/2"
• Minimum Measurement (mm): 54
• Maximum Measurement (mm): 90
• Overall Length (Decimal Inch): 12
• Overall Length (mm): 300
Spring-loaded plunger expands within the bore (or groove), allowing determination of the internal diameter with a knurled clamp