2-Pack Measuring Rolling Rulers With Protractor Scale

Two 30 cm plastic rolling rulers engineered for clarity and control in manual drafting. Each unit combines a metric-scaled straight edge with a fixed 180° protractor whose centre coincides precisely with the ruler’s midline. The low-profile wheels glide smoothly on standard A4/A3 paper without snagging or skipping. To use: anchor the protractor’s vertex point at your origin, align its zero-degree line with a known direction, then read the intersecting angle directly from the ruler’s edge — no mental conversion or secondary tools required. Suited for secondary school geometry, BTEC art & design, and early-stage architectural sketching where portability and reliability matter most.