PSI Woodworking Products LCDOWEL Dowel Collet Chuck System
Get precision gripping and centering of small diameter dowels and tenons. Ideal for gripping pen mandrels, bottle stoppers and other small projects where a tenon is used for chucking. Easily hand tightens to safely secure collet and workpiece. Pre threaded with 1" x 8 tpi headstock thread.  The complete system includes a 3/4" x 16 tpi spindle adapter, with collet closing head, 5 collets: 1/4-Inch, 3/8-Inch, 1/2-Inch, 5/8-Inch, 3/4-Inch, and a blow-molded carrying case for easy storage.