The incident occurred at 4pm on September 6 during an extracurricular school activity when Song allegedly used a metal triangular scale ruler to hit the girl on her head, leaving a 5cm deep wound ...

Los Angeles-based studio Ensso has designed an all-in-one fountain pen with scale ruler for architects and engineers. Launched on Kickstarter, the Escala pen has a long, triangular cap that ...

you might be interested in the T3 scale aluminum metal ruler set which comprises of three rulers that combine to form a triangular design held together with magnets. Each ruler features a ...