Tebru Pin Gauge 50Pcs Steel Pin Gauge Set Smooth Surface Aperture Measuring Tool 4.5-4.99mm Inspection Gage

Features: 1. Made of high quality GCR15 bearing steel material high hardness 2. Can be used as a standard measuring tool for holes 3. Suitable for high-tech fields such as electronic boards circuit boards molds accuracy machinery manufacturing etc. 4. Mainly used to measure the size distance and depth of the hole. 5. Including 50pcs pin gauges with a wood box which is from 4.5mm to 4.99mm Specification: Condition: 100% Brand new Item Type: Pin Gauge Material: GCR15 Bearing steel Length: Approx. 50mm / 2in Accuracy: ±0.001mm Bearing Steel Hardness: 58-63HRC Standard: 4.5-4.99mm each has 0.01mm interval a total of 50pcs Package Size: Approx. 25.5 x 14.6 x 7.7cm / 10 x 5.7 x 3in Package List: 50 x Pin Gauges 1 x English User Manual 1 x Wood Box