Model: LT-1F/B1F/S1F Description: Ferrule, galvanized steel, stainless steel, nickel plated brass Threaded style and flared style under your request. Part No Thread (mm) LT-0F/B0F/S0F 16 LT-1F/B1F/S1F 20 LT-2F/B2F/S2F 25 LT-3F/B3F/S3F 32 LT-4F/B4F/S4F 40 LT-5F/B5F/S5F 50 LT-6F/B6F/S6F 63