a slingstone

You see a small pellet of metal, very light but very deadly if it is thrown using a sling.

It is a slingstone.
Its accuracy is awful, and it inflicts very little damage upon hitting.
It is made of metal.
It weighs a couple of ounces.

You identify a slingstone.
It is a metal missile.
Offensive bonus 0 and damage 3.
It weighs two ounces, and it is worth about fifteen busc.
Its keywords are slingstone, stone, and ball.