Cruelly Barbed Copper Bolt
From Dungeons of Dredmor Wiki
A cruel and crafty mind was behind the manufacture of these copper bolts. Too bad they're made of copper, which is pretty useless for this sort of thing.
Worth 17 zorkmids. B:28 S:11 B:35 S:7 B:41 S:4
It can be crafted with the following recipe: