This listing is for a NEW Atlas Copco 4390 2064 80 Universal Tool Holder. It is designed for securing compatible pneumatic and assembly tools within production, maintenance, or fixture‑mounted applications. This unit is categorized as a tool‑holder accessory and supports stable mounting, repeatable positioning, and improved ergonomics for assembly environments.

This listing is for a USED BIG KAISER precision tool holder, part number BCV40‑SM1.000‑2. The holder features a BIG‑PLUS dual‑contact spindle interface and is designed for high‑accuracy machining applications on CNC machining centers. BIG KAISER tool holders are manufactured for rigidity, repeatability, and reduced runout, making them suitable for demanding milling and drilling operations.