USA GT12 ANSI Collet Chuck 0-6 8 5/32 10 3/16  12 7/32 1/4  5/6 3/8 7/16 1/2''

Packing List: 1 Set ANSI Chuck and spanner (1/16'', 5/32'',  3/16'', 7/32'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2''  )

Delivery: Free shipping, it takes about 3-5 days to your door.

Application: This ANSI Chuck can be used for M16 and M12 tapping arms.