This was just a sharpened steel ruler.

Instead of glass, a printed circuit on a stainless steel ruler is used to trigger at least two microelectronic hall effect sensors.

He struck her again, hitting her fingertips with what felt like the narrow edge of a steel ruler.

He pushed it back with the end of a steel ruler.

He used calipers and a steel ruler.

He walked to his desk, picked up his thirty-six-inch long steel ruler and came back to the screen.

And there was a yard-long steel ruler.

All loud voices and stiff necks and a devil with the steel ruler.

A synthesized Gregorian chant began to play as her spirit rose to heaven, a steel ruler in hand.

Use a carpenter's square or steel ruler as a straightedge.