characteristic: Made of aluminum alloy and processed by precision equipment, it has anti-twisting, durability and corrosion resistance. At an angle of 45 degrees, it is suitable for drawing the center line of a circle and the diagonal line of a square. Small and exquisite, it is a good partner for pin making. Used to accurately and effectively find the centers of circular and square blanks, and draw two lines randomly, and the intersection point is the center of the circle. describe: Name: Woodworking scriber Quantity: 1 piece Material: Aluminum alloy colour: Black Package Contents: 1 x Woodworking scriber Only 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.