The instrument consists of channeled base, over which two vertical pillars are fixed. The vertical pillars are rubber sleeved. An adjustable cross plate is fitted at the top. A digital dial gauge, reading to 0.001 mm is fixed to the top. The plunger end of the dial Gauge can be located upon 5 mm diameter ball or other reference point cemented in the specimen. On the base, there is a similar recessed seating, in which can be placed a second ball or reference point in the specimen. Complete with a stainless steel standardization bar with insulated grip and with 5mm diameter ball mounted in the ends.
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