Circles calibrated

25 mm polised 40Х

25 mm polised A12

Polised 25 mm, grade St.10,

25 mm polised St 20

Polised 25 mm Art 35

Polised 25 mm Art. 45

Polised 27.6 mm Art 35

28 mm polised A12

Polised 28 mm, grade St.10,

3.3 mm R18 polised serebryanka GOST 14955-77

Polised 3.3 mm High-speed steel GOST 14955-77

3.5 mm R18 polised serebryanka GOST 14955-77

Polised 3.5 mm High-speed steel GOST 14955-77

3.5 mm polised St70 serebryanka GOST 14955-77

Polised 3.9 mm High-speed steel GOST 14955-77