Heavy Knothide Leather

Heavy Knothide Leather is an ingredient for many high-level tradeskill recipes, primarily leatherworking.

Source
This item is crafted by Leatherworkers with a skill level of 325.

The components are:
 * 5

The pattern is sold by Cro Threadstrong in the Lower City of Shattrath, Haferet in The Exodar, and Zaralda in Silvermoon City for in limited quantity.

Each is craftable from 5, so a leatherworker can make 1  from 25. The requisite number of Knothide Leather Scraps may sometimes be bought from the auction house and crafted into Heavy Knothide Leather at a lower cost than buying the Heavy Knothide Leather by itself.

Blacksmithing

 * Felsteel Whisper Knives