Features MAIN FUNCTION: This gauge can be used to mark the center on discs and shafts, for center scribing, 45 degree 90 degree scribing, and center finding. ALUMINUM ALLOY: The center scriber is made of excellent aluminum alloy, which is lightweight and durable, with wear resistance, corrosion resistance. RANGE AND SCALE: The range of the center scriber is 100mm, with special process scale to ensure clear and accurate reading, convenient in measurement. WOODWORKING TOOL: This scribing gauge is widely used for scribing center line on circular, square, and right angle, used in various woodworking projects. GLOSSY FINISH: With exquisite workmanship, the woodworking center scriber has a glossy appearance, ensuring safe and reliable operation. Specification: Item Type: Center Scriber Material: Aluminum Alloy Range: Approx. 100mm / 3.9in Minimum Scale: 1mm Use: For Woodworking Measurement Function: Draw the center line, find the center of the circle, draw 45 degree line, draw vertical line Package List:1 x Center Scriber Package List 1 x Center Scriber