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CMC DNA Steel Carabiner (NFPA G Rated)

The DNA Carabiners are unique “helical-shaped” connectors with a twisted carbon steel body and circular bar. This twist enables 90° rotation of any connected device for optimal alignment and offset load management. Ideal for use with descenders, rope clamps, progress capture devices, fall arresters, and the Double CLUTCH. When used in the Double Clutch TTRS kit, the DNA optimizes the Clutch handle alignment to allow a single operator to manage both CLUTCH handles for simultaneous twin tension control. Carbon steel construction is durable with high tensile strength and an auto-locking gate provides the safety of 3 movements to open: lift, turn, and push. I

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  • Helical shape with 90-degree twist for device alignment and load management
  • Carbon steel carabiner with high tensile strength
  • Wide gate opening for easy loading and unloading
  • Keylock system prevents snagging on rope and bolts
  • The sleeve is easy to open even wearing gloves
  • Burnished finishing for greater visibility of marking


  • Breaking Strength: 40kN
  • Weight: 215 g
  • Dimensions: 4.3in x 2.5″


  • NFPA General Use