Which and why? More so interested in the tower weapon at the moment.

it doesnt matter what item, just one he can wear and which gives nice aura (tower) stats

Monk wrench (sky city) has some of the best tower stats. Also the viability of having +5 projectiles is nice. I've seen its damage slightly higher than the Gamblers pole, but at the same time.. hero stats are much more common on the Gamblers.

Monk Wrench / Eternian Spear are basically equal

Monk Wrench attacks faster (better for lots of mobs)
Eternian Spear hits harder (better for bosses/ogres)
Gamblers Pole has better hero stats usually but try to go for E-Spear or Wrench.

E-Spear, stats max at 300 ea.

Aren't there others that give better tower stats? if you're only using it as a builder.

i use gambler's for building tower stats on a hero

^ same man