Engineer Scale Ruler, 30CM Aluminum Triangular Scale Rulers Laser-Etched Imperial Drafting/Drawing Tool …;

Features:
Made of high quality aluminum alloy, strong and durable
Laser-etched grooves will not wipe or scratch off
3 sides with 6 scales suitable for most application
The engineer scale provides supreme accuracy
100% satisfaction guarantee

Specifications:
Material: aluminum alloy
Item Weight: 3.28oz / 93g
Item Size: 12 x 0.8 x 0.8 inches / 30 x 2 x 2 cm
Color: black

Package include:
1 x Engineer Scale Ruler