Ovalone Auto Block Carabiner Ansi Lunar White Zinc-Nickel treatment that, compared to normal black galvanizing, offers double resistance to corrosion, longer life and less friction on cords and textile devices. Key features:The reinforced sleeve increase the resistance in case of lateral stress as required by ANSIAuto block sleeve 3 movements to open the carabiner must lift the sleeve, rotate it, and then pull the gateKeylock systemTested piece by pieceNew LUNAR WHITE finish. High load of 40 KN..