It comes with a securely locked metal case to prevent the heads from getting lost.
Detailed product information:
16pcs metric taps: 3*0.5, 3*0.6, 4*0.7, 4*0.75, 5*0.8, 5*0.9, 6*0.75, 6*1.0, 7*0.75, 7*1.0, 8*1.0, 8*1.25, 10*1.25, 10*1.5, 12*1.5, 12*1.75
16pcs metric dies: 3*0.5, 3*0.6, 4*0.7, 4*0.75, 5*0.8, 5*0.9, 6*0.75, 6*1.0, 7*0.75, 7*1.0, 8*1.0, 8*1.25, 10*1.25, 10*1.5, 12*1.5, 12*1.75
1 pc NPT tap: 1/8-27
1pc NPT die: 1/8-27
1pcs tap wrench: M3-M12 capacity
1pc T-Type tap wrench
1 die wrench: 25mm O/D
1 pc screwdriver
1 pc screw pitch gauge
Packed in an iron box