SPI 21-880-0 2 and 3-Point Hole Mikes Set, 0.120" - 0.280"

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 0.120" - 0.280"
• 2 setting rings
• Spanner wrench in fitted case