Add the finishing touch to the bottoms of your bowls and plates with minimal setup time. Simply twist the Longworth-style chuck plates and the soft silicone buttons close almost instantly, and with perfect concentricity, to hold your project while you make the final cuts on the underside. Unlike many other retention methods, silicone buttons will not damage your project or your finish. When compressed by the wing nuts, they expand to provide a secure grip. The 1/4" thick plates of phenolic plates provide strength and stability, regardless of humidity. 10" Longworth style chuck for mini and midi lathes with a 10" rocker arm. Made in the USA

Technical Details:
Eliminates the time and hassle of installing, adjusting and readjusting ordinary retract jaws.
Able to hold projects in compression or expansion mode (from the inside or outside edge of your spinning project).
The buttons close in a concentrated manner, making it easy to focus your project.
The soft silicone buttons have a longer length for better grip and expandability.
The buttons expand when the wing nut is tightened, and will not mark or warp your turned piece.
Includes 8 buttons.
No assembly required.
The 1/4" phenolic discs are extremely durable, stable and rotate in opposite directions with almost no resistance.
The back of the Longworth style drill chuck has an approximately 3/4" thick steel disc for the mounting.
The disc is easily gripped by any brand of 4-jaw chuck with the standard 50mm #2 jaws.
Straight jaws can be used, but dovetail jaws provide a better hold.
br>Dovetail slot accommodates Nova trucks and Vicmarc trucks as well as OneWay type straight jaws.
Maximum recommended RPM: 600.
Designed for light finishing cuts.
Note for stock removal

What's in the box:
(1) 10" Longworth style drill chuck.