Made of aluminum alloy, the material is superior, wear-resistant, rust-proof, strong, without worrying about bending and deformation.CNC machining, treatment, excellent workmanship, precise hole and clear laser calibration.Smooth sliding on the wooden surface is more stable and easier than using the mark.Woodworking marking gauge will easy and accurate to mark workpieces.There is no need to assemble when it arrives, and it is ready to use out of .describe: Name: Woodworking Marking GaugeSize: 12 inchesMaterial: Aluminum alloycolour: black+redPackage Contents: 1 x Woodworking marking rulerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.