The DeFelsko PRBN45S-D PosiTector 6000 Cabled 45° Microprobe N45S Only, Measures Coatings on Non-Ferrous Metals, 0-25 mils is ideal for measuring on small parts. With our smallest measuring tip and best thin-film accuracy, this instrument is ideal for measuring on hard-to-reach areas, or close to edges. Certificate of Calibration (Long Form) traceable to NIST or PTB included with every probe. Heavy-duty, gold-plated locking connector for industrial environments.