SPI 21-903-0 2 and 3-Point Hole Mikes Set, 0.800" - 2.000"

Features:

• Calibrated setting rings on sizes up to 4" included
• Self-centering contact points for accurate measurements
• Contact points allow measurements near to the bottom of a blind bore or in a deep bore using additional extensions
• Ratchet thimble
• Carbide measuring surfaces
• Thread size: #4-48
• Furnished in a case

Includes:

• 4pc. Hole Mikes 0.800" - 2.000"
• 2 setting rings
• 2 - 6" extension rod & spanner wrench in fitted case