D-shaped steel carabiners available with screw lock gate and triple lock gate. Catch-free nose for smooth clipping and unclipping. Zinc-plated finish prevents rust from moist environment. Asymmetric shape significantly increases the strength. Ideal for industrial safety and rescue. 4132331 Dimensions 119 x 78 mm Gate Opening 1.02" | 26 mm MBS Major axis 11908 lbs | 53 kN MBS Minor axis 3595 lbs | 16 kN MBS Open gate 4044 lbs | 18 kN Weight