Liberty Mountain Hard Steel Modified D Sg Carabiners Features: Weight: 190 Grams Strength: 30kn Ce Certified Liberty Modified "d" Carabiners Are Heat-hardened To Hold 30kn And Nickel Plated To Withstand Intense Abuse. Screw Gate, Twist Lock And Our Three-stage Auto Lock Versions Give You The Right Tools To Work And Play Safe. Individually Tested.