Abus Titalium Padlocks - The High Security, Low Weight Alternative to Brass Locks: Abus Aluminum Alloy Titalium Padlocks include the 54TI/30, 54TI/35, 54TI/40 & 54TI/40HB63; the 64TI/20, 64TI/25, 64TI/30, 64TI/40, 64TI/40HB40, 64TI/40HB63 & 64TI/50; plus the 80TI/40, 80TI/40HB40, 80TI/40HB63, 80TI/45, 80TI/50 & 90TI/50 0_Bitted Padlocks.