1. Precision Measurement: The Block Gauge is expertly designed for inspecting precision mechanical parts, ensuring accuracy and reliability in your workshop tasks. 2. Versatile Application: Good for general workshop use, the Block Gauge maintains round blanks securely during drilling and milling operations, enhancing your machining precision. 3. Construction: Made from heat-treated hardened tool steel, our Block Gauge is machined and ground to extend its service life, making it a long-lasting addition to your tool kit. 4. Size: With dimensions of 35x35x30mm and a clamping size of 3-15mm for tool handles, the Block Gauge is compact yet highly effective for various applications. 5. Exceptional Precision: Featuring a 90-degree V shape that is parallel and square, the Block Gauge ensures a center tolerance within 0.0002", providing unparalleled accuracy for all your measurement needs., Manufacturer: AIRYSSFU