Features:

Internal and external threads cutting tools matched in one

box with GSR patened tool holders

Standard:

DIN352/DIN1814/DIN225/Factory standard

Material:

HSS M2

Range: M3-12

Contents:

21pcs taps DIN352 3pcs set,M3-4-5-6-8-10-12 No.1-2-3

7pcs dies 25×9,Factory standard,M3-4-5-6-8-10-12

1pc die holders DIN225,25x9mm，GSR patented

1pc tap wrenches DIN1814,No.1.1/2(M1-12)，GSR patented

1pc pitch gauge 14S,internal & external threads gaug,GSR patended