For sale is a Walker Ceramax 6" X 10" Permanent Magnetic Chuck. 10.1" X 6.05" Actual working surface of top. Approximately 2-5/8" overall height. Made in the USA. Comes with a pair of correctly sized hold-downs for mounting to your machine. I have performed a basic test of this magnetic chuck; it is in good working condition. The top surface shows no signs of abuse.