For 1" x 8tpi headstocks - Includes Adapter for 3/4" x 16tpi
This self centering, 3 jaw micro chuck is ideal for holding small projects from
the inside or outside. Its step jaws reverse for extra versatility. Its small
diameter provides a safety feature, keeping your knuckles away from the jaws
when working close to the chuck. Weighs only 1.2 lbs, 2" dia. Holds work from
3/4" to 2-1/2" inside, and up to 1-1/4" outside.