Using obsidian craftsmanship requires a set of professional tools that are as important as the material itself.These tools are an indispensable companion of artisans in the obsidian handcrafted world. 1 pressure valve, 3 copper poppers. Obsidian is a well-known exquisite material that requires precision and expertise to shape.The right tools are the key to mastering this ancient art.Obsidian hand-made tools unlock the realm of artistic potential, allowing craftsmen to turn original obsidian into , from tools and sculptures to jewelry. Obsidian craftsmanship has a rich historical , which can be traced back to ancient civilizations.The tools used today respect this tradition while integrating modern . These tools form the core of the 's treasure house, and to unleash their creativity, turn obsidian into art, functional objects and works that tell past and present stories. Material: Metal colour: As Shown Package Contents: 1 set x knapping tools Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.