Step-Safe 2002 Scaffold Karabiner - Alloy scaffold pear pattern Twistlock karabiner c/w "Ovalock" gate and Step-Safe captivation insert. 52mm Gate opening. EN362: 2004 & ANSI Z359.1: 1992. Weight 375g. 23kN MBL major axis, gate closed. Outside Dimensions 227mm x 132mm. Each karabiner has a unique serial number. Suitable for attachment onto a 2002 Step-Safe double action safety hook.