Feature:1. Centre Finder: Used to scribe the centre of the circular plate and the shaft, making the measuring much easier.2. High Accuracy: Ensuring high accuracy, this centre finding gauge will largely improve your working efficiency.3. Measure Range: With 105mm scale on the body as well as standard 45 and 90, the ruler has wide measurement range.4. Good Material: Adopting premium aluminum alloy material, not easy to deform, has great durability for long use.5. Easy to Carry: Light in weight and compact in size, the center gauge tool is very convenient for daily carrying.Specification:Item Type: Center GaugeMaterial: Aluminum AlloyColor: RedFunction: Draw the center line of a circle, find the center of a circle, draw a 45 line, and draw a vertical line. Range: Approx. 105mm or 4.13inMinimum Scale: 1mmUse: For woodworking measurement. .Package List:1 xCenter Gauge