Thick Spider's Silk

Source
This item can be looted from most level 32-60 Undead, and Beast monsters.

Thick Spider's Silk as an ingredient
This item is used to make:
 * Gnomish Net-o-Matic Projector
 * Icy Cloak
 * Enchanter's Cowl
 * Swift Boots
 * Boots of the Enchanter
 * Spider Belt