Feature:1. The product is used to accurately and efficiently find the center of both round and square stock2. Randomly draw two lines with this tool, the intersection point is the center of the circle3. Aluminum alloy center finder is machined with multi-axis accurate equipment, sandblasted and anodized4. 45 degree angle scribe possess torsion resistance, durability and corrosion resistance5. Removable steel ruler can be used as a positioning unit, which can draw 45 degree lineSpecification:Item Type: 45 Degree angle scribePositioner Material: Aluminum alloyRuler Material: SteelPurpose: Scribing ruler, used for scribing diameter lines on round wooden blocks, 45 degree angle lineSize: Approx. 100mm / 3.9in130mm / 5.1in80mm / 3.1in8mm / 0.3in22mm / 0.9in.Package List:1 x Ruler1 x Positioner1 x Hex Wrench