EECK-1 ECCENTRIC CHUCK SET,INCLUDES: 

1. ECCENTRIC CHUCK BODY, M33x3.5 thread 

2. ALUMINUM CHUCK SEAT 

3. 2 MANDRELS, one short and one longer

4. THEAD ADAPTOR, outer thread M33X3.5 for chuck, inner thread 1"x8TPI for lathe

5. 4 x Hex wrenches