Material: Titanium / Stainless Steel Reference Number Dia. Φ mm No. of Holes AMS 246.035.004T/S 3.5 4 AMS 246.035.005T/S 3.5 5 AMS 246.035.006T/S 3.5 6 AMS 246.035.007T/S 3.5 7 AMS 246.035.008T/S 3.5 8 AMS 246.035.009T/S 3.5 9