PARK INDUSTRIES CNC TOOL HOLDER / CONE. 1/2 GAS Connection. BT40 Black Oxide.
Many tools can be used with this half-gas cone, aka tool holder, such as CNC finger bits, core bits, guage wheels / calibration wheels, pad head adapters, specialty CNC router adapters, and much more. See this tool holder in action in our exclusive video where we engrave our logo on granite with a Park Industries Titan: