Taps and dies made of alloy steel, durable and never get rusty, can serve for long time; High hardness to form or deform metal rods
20 Pieces tools available, including 9 pieces metric taps from M3x0.5 to M12x1.75, 9 pieces metric dies from M3x0.5 to M12x1.75, 1 ratcheting tap handle and 1 M25 ratcheting die handle.
Different sizes dies, to make external thread; Sturdy taps, screw internal thread clean and clear
Die handle with setting screw, dies never drop out and provide efficiency to work; Rotatable tap handle, can fix and clamp tap firmly, ease you from heavy duty work
Protective case, great to storage and easy to take out with you.