DIN 94 Acciaio inox A4 8.0x170 , 180 , 200 , 220 (100) 8.50 x 170, 180, 200, 220 (100) 9.0x 170, 180, 200 , 220 (100) 11.50x160 , 180, 200 (100) 12.0 x 160, 180, 200 6.0x145, 150, 160, 180, 200 (100)