The CMC Steel Locking D Carabiners are a strong and reliable piece of gear. These carabiners come with the Screw-Lock system. This style give the user options to use the old reliable anti-jamming screw gate. The Screw-Gate is available in Gold or Black. This carabiner weighs 10 oz (283 g) and is NFPA rated General Use. The CMC Steel Locking D carabiners are 3 sigma MBS rated at 72 kn (16,186 lbf). Also available in Auto-Locking gate styles.