These Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.

Features:

• The Holtests (type II) have three contact points made of alloy steel.
• Measurement can be taken closer to the bottom of the blind bore
• Measure deep holes using an extension rod (optional).
• With Ratchet Stop for constant force.
• Setting rings for origin point settings are optional.
• Supplied in fitted plastic case

Package Content:

• Internal Micrometer
• Spanner
• Hex Wrench
• Certificate of Inspection

Please Note that Product may differ eg. colour, size from the product Image displayed on website. Kindly check the specifications provided to make better purchase decision. M.R.P Prices and specifications are subject to change without notice.