Black Diamond Positron Straight Gate Yellow

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Black Diamond’s classic keylock carabiner available as a straight or bent gate, the Black Diamond Positron is a smooth operator for racking and placing stoppers or clipping and cleaning bolts.

  • Keylock nose doesn't snag
  • Smaller than Dynotron, yet easy to hold
  • Available in straight or bentgate version


Specs Chart

Weight 49g
Major Axis (kN) 25
Minor Axis (kN) 8
Open Gate (kN) 8
Gate Opening (mm) 22
Model # BD210153
UPC / Barcode 793661286981
Brand Black Diamond



Rated 4 out of 5 stars. (3 customer reviews)

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Very good and practical

26 July 2014
Good solid light weight carabiner. I use a number in mountaineering and have been very happy with its simplicity.

Works well with removable hangers

4 January 2014
I bought a few of these to use with my petzl draws when I use removable hangers on carrot bolts. They may be heavier and thicker than some but can be used with peace of mind knowing that regardless of how the draw moves the hanger will not come off the bolt.


24 December 2013
This is a great full-size solid gate biner. It's not the lightest, but it feels great, is pleasant to clip, and is relatively inexpensive. I use this biner on the bolt side of all my sport draws, as it's big enough to use with carrot bolt hangers, but isn't as expensive as the Petzl Spirit. This is a solid and dependable biner.