Features MAIN FUNCTION: This gauge can be used for marking the center on disks and shafts, scribing the center, scribing 45 degrees and 90 degrees and finding the center. ALUMINUM ALLOY: The center ripper is made of excellent aluminum alloy, which is lightweight and durable and has wear resistance and corrosion resistance. RANGE AND SCALE: The reach of the center scriber is 100mm, with special process scale to ensure clear and accurate reading, convenient to measure. WOODWORKING TOOL: This scribing gauge is widely used for centerline scribing on round, square and right angles and used in various woodworking projects. SHINY FINISH: Thanks to the exquisite workmanship, the woodworking center scriber has a shiny appearance and ensures safe and reliable operation. Specification: Item Type: Middle Zipper Material: aluminum alloy Reach approx. 100 mm/3.9 inches Minimum scale: 1 mm Usage: For woodworking measurements Function: Draw the center line, find the center of the circle, draw a 45 degree line, draw a vertical line Package list: 1 x Center Marker Package List 1 x Center Scriber