MICRO PRECISION ALBRECHT GERMANY KEYLESS CHUCK 0-1/8″ WITH JACOBS 1/2″ CHUCK ARBOR. SET OF MACHINIST CHUCKS. SUPER NICE SET OF MACHINIST CHUCKS TOOLS IN WOODEN BLOCK. THIS FELLOW HAD THIS SET ON HIS TOOLBOX SO WHATEVER MACHINE HE WAS WORKING AT (MILLING MACHINE, DRILL PRESS, OR LATHE).