Architectural Scale Ruler, 12'' Imperial Architect Scale, Aluminum Engineer Scale Ruler, Scale Ruler for Blueprints, Metal Scale Ruler, Architecture Ruler, Triangle Drafting Ruler, Architect Ruler(Blue)
1【Standard Imperial Size】12-inch imperial architectural scale ruler includes: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16.
2【Aluminum Architect Scale Ruler】Engineer scale ruler is made of solid aluminum, durable and corrosion resistant, will not rust. The engraved white markings mark the precise and clear numerical scale. The drafting ruler is perfect for office drafting work or school classroom study.
3【Accuracy and Precision】Architectural scale come with durable laser-cut imperial prints to ensure accuracy. The engraving technology effectively prevents scale numbers