Features:
USED FOR STANDARD 5C COLLETS 1/16" TO 1-1/16" CAPACITY.

-FOR FAST SET-UPS ON LATHES, MILLING MACHINES, SURFACE GRINDERS AND DRILL PRESSES.

-THESE BLOCKS WILL MAKE 60 AND 120 DEGREE INDEXING A SIMPLE JOB.

-THEY ARE MADE OF TOOL STEEL, HARDENED AND GROUND SQUARE AND PARALLEL WITHIN .0005".

-OVERALL DIMENSIONS: 2" X 2" X 3.5".