Material: Titanium / Stainless Steel Reference Number Dia. Φ mm No. of Holes AMS 230.001.005T/S 3.5 5 AMS 230.001.006T/S 3.5 6 AMS 230.001.007T/S 3.5 7 AMS 230.001.008T/S 3.5 8 AMS 230.001.009T/S 3.5 9 AMS 230.001.010T/S 3.5 10 AMS 230.001.011T/S 3.5 11 AMS 230.001.012T/S 3.5 12