56pcs HSS High Quality Threading Tap and Die Set

Content:

33pcs hand tap DIN352 HSS-G, M3-20 No.1-2-3, hardness HRC61-63°,

11pcs round die, M3-20, DIN223, Form B, chamfer from both sides, 4 side-holes, hardness HRC61-63°

2pc tap wrench: DIN1814 No.1+3

6pcs round die holder: DIN225 20x5/20x7/25x9/30x11/38x14/45x18mm;

1pc screwdriver: 110mm

1pc M Internal/Outer thread 24 sheets