The knife used was a double-edged blade that was about six inches long.

It usually has a double-edged blade with a sharp point, and a handle which is often black.

It was a small double-edged blade that ran to a sharp point.

It has a double-edged blade, so it cannot be used for normal cutting like a knife.

The chemistry of fellowship was, indeed, a double-edged blade.

A blood lancet is similar to a small scalpel but with a double-edged blade or needle.

He realized he had gripped the double-edged blade far too tightly.

It didn't look so much, a four-inch handle and a little double-edged three-inch blade.

These have the same straight double-edged blades as older Roman swords.

The fluidity of the past, my friend, is a double-edged blade.