6-Piece Triangular Scale Ruler Set | Aluminum Architect Ruler | Color Black Homend Adjustable length of brass needle:

Adjustable length of brass needle: 53 mm

irrigation valves

gives out the targeted peak wavelength that plants most desire from natural sunlight

slide over the luggage upright handle tube for easier carrying

6-Piece Triangular Scale Ruler Set | Aluminum Architect Ruler | Color Black Homend Adjustable length of brass needle:6 Piece Triangular Scale Ruler Set Aluminum Architect Ruler Color Black Material: the scale ruler set is made from pure aluminum mixed with other elements to create a high strength alloy, and the triangular ruler is durable, lightweight and reliable Target customer: with reliable construction and accurate performance, the black construction ruler is appropriate for architects, engineers, draftsmen and students Relative advantage: aside from the laser