Measuring ruler 3D Multi Angle portable for industrial construction engineers, black Description: [Tool]: This three-dimensional multi-angle measuring ruler is an improved tool, providing greater functionality and precision. [do hole marking ruler]: The carpentry angle is equipped with a 3-in-1 do hole marking ruler, providing versatility and convenience during projects. [Material]: The drawing ruler is made of CNC aluminum alloy, which ensures durability and long-lasting use. [Thoughtful design for angular positioning and line drawing]: The thoughtful design of this essential aid do design of wooden layouts allows you to position at different angles and draw lines, making it easier to make accurate measurements. [Package Contents]: Each package includes a measuring cup, nailer and do attachment tool. Specification: 11,2 cm x 7,9 cm x 8,2 cm/4,41 inch x 3,11 inch x 3,23 inch The package includes: 1 polygonal measuring ruler 3D 1 sale of nails 1 Stabilizer