Feature:1. 17PCS IN 1 SET: Including 17pcs woodworking height gauge blocks, with different specifications for different measurement situations.2. MAIN PURPOSES: Fences, blade bits and other cutter heights can be easily set as needed, faster and more accurate than using a combination ruler.3. WITH SCALE MARKING: These height gauges are engraved with markings to help you measure accurately and read easily, greatly improving efficiency.4. ALUMINUM ALLOY: Made of aluminum alloy material, red anodized, wear resistant and corrosion resistant, and prevent damage to other accessories.5. FOR WOODWORKING: These aluminum alloy setup bars are often used as router and table saw accessories, which is a practical tool for woodworking.Specification:Item Type: Height Gauge BlockMaterial: Aluminum AlloyColor: RedUses: For router and table saw accessories woodworking setupsPackage List:17 x Gauge BlockNote:Manual measurement, please allow 1‑2cm error.