Step drill bit set

Material: HSS 4341

Includes:
3 pieces Step drill bit with 3 pieces Saw drill
1 piece 4 – 12 mm, 2 mm/step
1 piece 4 – 20 mm, 2 mm/step
1 piece 4 – 32 mm, 2 mm/step
Saw drill: 3 mm, 6 mm, 8 mm

Packed by plastic box.