Material: Titanium / Stainless Steel REF. Code Dia. (mm) Hole No. AMS 439.145.004T/S 4.5 4 (R) AMS 439.145.006T/S 4.5 6 (R) AMS 439.145.007T/S 4.5 7 (R) AMS 439.145.008T/S 4.5 8 (R) AMS 439.245.004T/S 4.5 4 (L) AMS 439.245.006T/S 4.5 6 (L) AMS 439.245.007T/S 4.5 7 (L) AMS 439.245.008T/S 4.5 8 (L)