I bought two pairs of specs yesterday.

I bought two pairs of eyeglasses.

She wears a stylish pair of glasses.

The pigeon pairs were nesting on the rooftop.

I need to buy some twisted pairs for my network installation.

I need to buy a new pair of scissors.

I bought two pairs of goggles for our snorkeling trip.

I bought a new pair of binoculars for bird watching.

He used a pair of pliers to fix the broken wire.

I bought a new pair of secateurs for my garden.