круг металлческий 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 28, 30, 32, 35, 40, 42, 45, 50, 55, 60, 65, 70, 80, 90, 100, 110, 120, 140, 150, 160, 180, 200, 220, 240, 250, 280, 300 мм