MOUNT; 2-3/8″ 8 TPI. DURING THE WORK WEEK. MODEL NUMBER; ?. LENGTH OF TAPER; 1.100. SMALLEST DIA. OF TAPER; 1.120.
Precision 4-Jaw Self-Centering Adju Fixture, 15–25 mm Range manufacturer unknown
Exact manufacturer and application unknown. Appears to be a precision 4-jaw self-centering fixture/chuck with 15–25 mm adjustment range. Please review photos and determine suitability for your intended use.

