Wiktionary
n. duct tape, sometimes used even if the tape in question is not actually gray.
Usage examples of "gray tape".
Gingerly, remembering how he'd cut himself back in LA, he used the tip of the blade to slit the gray tape.
Tommy tugged in disgust at the loose pieces of gray tape dangling from Amanda's ankles.
Heavy black electrical cables, bundled together with gray tape, snaked all over the floor.
He tapped his index finger next to what looked like gray tape residue.
It was just a matter of peeling off the gray tape and unfolding it, a task that took some minutes.
An air conditioner was nestled in the wall, its front masked with a heavy blanket and a lot of gray tape.
The windshield had been knocked out on the passenger's side and black plastic had been stretched across it and held there with gray tape.
A crude wall of thickets and sharp sticks formed a defensive barrier around the clearing, and in the middle stood a faded yellow school bus, its many windows heavily patched with gray tape and bits of plastic.
The wooden stock was bound with gray tape, the lens in the scope badly cracked, but the barrel was twice as wide as that of the hunting rifle and shone with fresh oil.