Replacement brass bobbin cradle support collar as found standard on the Presentation 3000, 4000, and Master series vises.  Will fit on any 3/8" stem.

 

Made in the USA

 

 Warning: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov