Triangular marker ruler line drawing gauge for woodworking

Product Name: Stainless Steel Marking Triangle for Woodworking Color: Silver + Blue Material: Stainless Steel + Aluminum Alloy Size: Length approximately 301 mm Package Contents: 1 * Line Drawing Ruler Only the above package contents are included; other products are not included. The color of the item in the picture may be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.