Features: 1. The multi-function printed circuit board scale integrates information about the printed circuit board design, such as angle meters, devices, and IC pin pitch tables. 2. Basic functions for measuring millimeters and inches 3. 6-inch R-4 gold-plated printed circuit board with high hardness and good wear resistance 4. This is a good tool for electronic enthusiasts 5. Great workmanship and easy to use. Specification: Condition: 100% Brand new Positive Situation: Measuring Length: 25cm Measuring Length: 10 inches Common IC Package: NAND_FLASH_TSOP48, qfp7x7-64, PLCC-20, SOP16, TSSOP24, SSOP8, SOP8 Common Chip Components: TO252-3, SOT223, SOT89-3, SOT23-6, SOT23-3, SOD123, SOD323, 1210, 3528, 1206, 0805, 0603, 0402, TO92 Common Inner Diameter Reference Size (unit: mm): 3.0 2.5 2.0 1.5 1.0 0.8 0.5 0.4 Straight Slot Negative Situation: Common Line Width Reference (unit: mm) Angle Measurement: 180 Degrees Equipment, IC Pin Spacing Table: 0.5mm, 0.65mm, 0.8mm, 1.0mm, 1.25mm, 2.54mm; Common Inner Diameter Reference Size (unit: mm): 3.0 2.5 2.0 1.5 1.0 0.8 0.5 0.4 Package List: 1 x Measuring Tool 1、The multi-function printed circuit board scale integrates information about the printed circuit board design, such as angle meters, devices, and IC pin pitch tables. 2、Basic functions for measuring millimeters and inches 3、6-inch R-4 gold-plated printed circuit board with high hardness and good wear resistance 4、This is a good tool for electronic enthusiasts 5、Great workmanship and easy to use.