Black Diamond Positron Screwgate

Priced: $6.74 - $11.95 Rated:   - 5 stars out of 5 by 27 reviews.
Black Diamond Positron Screwgate
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Appalachain Outdoors $8.95
Mountain Gear $8.95
Moosejaw $8.95
Half-Moon Outfitters $8.95
REI $8.95 $11.95
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Black Diamond Positron Screwgate -
Black Diamond Positron Screwgate Features.

Black Diamond Positron Screwgate.
Get all the best features of any locking carabiner and anchor any climbing situation with confidence and versatility with the Black Diamond Positron Screwgate. Getting all the unique goodness of the Positron, this carabiner from Black Diamond has an exceptional boost of a Screwgate that is easy to be twisted, making it more multi-functional than ever. Deep basketed, it prevents the clipping from being bumbled upon, so you can confidently use it on any situation such as belaying or top rope climbing. Featuring a unique Keylock nose, the Positron Screwgate doesn t snag on webbings and is easy to clip and clean, thus allowing a smooth operation. Functionally shaped, the biner is easy to hold and has a wide gate opening that could hold up a lot of slings and runners. Lightweight yet strong, the Black Diamond Positron Screwgate gives out its best performance as the locking carabiner for all-around situations.
This product can only be shipped to U.S. addresses.

Key Features.
Warranty Information.

This product has a limited warranty of 36 months.
(801) 365-5555 Ext# 4


  • Optimal balance of size and weight for a utility biner.


  • Screwgate sleeve


  • Locking gate reduces chance of open-gate failure
  • Perfect for anchors
  • Features a strong 25-kN strength rating with wide rope-bearing surface to spread the load
  • Always read and understand the warnings and instructions that accompany your gear.**
  • Low profile
  • Simple screwgate lock with an easy-to-twist knurled finish, no exposed threads to cross
  • Keylock nose prevents snagging.
  • Great for hauling and rigging.
  • Deep basket reduces fumbly clips
  • Functional shape is easy to hold; deep basket accepts loads of slings and runners
  • Dual-trac gate and keylock nose present a narrow profile that slips effortlessly into pro

The Positron Screwgate Carabiner by Black Diamond is a keylock carabiner with solid gate; smaller than the Dynotron. All-around, snag-free value.

FEATURES of the Black Diamond Positron Screwgate Carabiner.
SPECIFICATIONS of the Black Diamond Positron Screwgate Carabiner.

Black Diamond's Positron Screwgate is a low-profile, multi-functional keylocking carabiner. The keylock makes it easier to clip and clean. The Positron is equallay at home at your local crag, on a big wall, or anywhere else you'll want a locking carabiner.

Appalachain Outdoors
Black Diamond Positron Screwgate Carabiner's keylock nose prevents snagging. Great for hauling and rigging. Optimal balance of size and weight for a utility biner. Return Policy: Climbing equipment sales are final. In order to guarantee the life saving integrity of the climbing gear we sell -- cannot accept returns on any life safety climbing or mountaineering equipment.

With a keylock nose that prevents the Positron Screwgate from snagging on bolt hangers or gear, this biner is ultra-easy to clip and clean through a birds nest of slings. An optimal balance of size and weight, the Positron is great for hauling, rigging or top-roping. The Positron is an excellent utility biner offering good performance and durability.



You should see if we have a cosmetic second version of this carabiner available at a lower price.

Eastern Mountain Sports (EMS)
A multi-functional, lightweight and compact key lock locker, the Black Diamond Positron Screwgate carabiner's low-profile, non-snagging nose is easy to clip and clean.
Al's Sports
A multi-functional keylock locker, the Black Diamond Positron Screwgate's low-profile, non-snagging nose is easy to clip and clean. Lightweight and compact, it works well for trad routes, sport routes, hauling, rigging or top-roping. Style number BD210271
Mountain Gear
The Positron by Black Diamond is a state-of-the-art screwlock biner that is easy to clip and clean.
A multi-functional keylock locker, the Positron Screwgate’s low-profile, non-snagging nose is easy to clip and clean. Lightweight and compact, it works well for trad routes, sport routes, hauling, rigging or top-roping.

color of screw may vary (yellow, orange, grey)


The unique keylock nose prevents this carabiner from snagging on pro--it's clean and easy to clip!


Half-Moon Outfitters
Deep basket reduces fumbly clips Top 25 Category Product
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Average Price History: Price History
Review RatingNumber of Reviews
Carabiner type:Locking carabiner
Closed Gate:25 kN
Closed Gate Strength:5.620 lbf / 25 kN
Country of Origin:China
Frame Shape:Modified D
Gate Clearance:21 mm
Gate Closed Strength:25 kN
Gate Open Strength:8 kN
Gate Style:Straight
Gate open clearance:21 millimeters
Gate opening:21 mm / 0.83 in
Gate type:Screw-lock
Locking Mechanism:Screw Lock
Major Axis Strength (Closed):25 kN
Major Axis Strength (Open):8 kN
Major Axis kN:25
Major axis strength:25 kN
Minor Axis Strength:1.798 lbf / 8 kN
Minor Axis kN:8
Open Gate:8 kN
Open Gate Strength:1.798 lbf / 8 kN
Open Strength kN:8
Strength major axis closed:25 kilonewtons
Strength major axis open:8 kilonewtons
Strength minor axis:8 kilonewtons
Upc, Ean, Isbn:793661046349
Weight:56 g / 2 oz
Weight (Grams):56 g
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Black Diamond

Black Diamond Positron Screwgate Reviews:


good locker but minor snag

These are very nice lockers, relatively low weight and a nice size. I bought it to use on the end of my daisy chain and it works very well for that with one exception. When the gate snaps shut it cuts the keylock nose and creates a bur that snags the dyneema daisy chain. You might want to keep a small file handy to take care of this if it happens with yours. Both that I own have this issue.
I am still considering purchasing more for anchor building despite this minor flaw.
seannabend at REI on 06/06/2008

Love it!

Mostly use this as a key chain that i lock on to my belt loop. As a motorcyclist I want to secure my keys to anything I can and this is a great way to do so. Its also a great back up for my climbing set up in case i lose one. Had it for a few years now and it still looks and works great, just like new. The locking mechanism is easy to use, second nature, and is very secure.
DevinHelmen at REI on 01/01/2014

I can haz Black Diamond Carabiner?

Do your research and compare! This is the best carabiner on the market for the price, quality and strength. Only con that I have noticed is when the carabiner is upside down and the gate is open, the screw gate can sometimes slide down and block the gate from closing. Only happened to me once, but just because I wasn't paying attention and being sloppy. Even with that I would hands down trust the device with my life.
West Texas Jake at REI on 11/11/2011

Brilliant, as good as it gets.

These are the Mercedes-Benz of locking 'biners. Only Petzl can compete, but theirs are all bigger, bulkier, heavier (and certainly appropriate for plenty of applications). These represent the great majority of my locking 'biner collection, due to their smooth action, snagless, keylock nose, and perfect size. BD's Quicksilver screwgate is about the same, but without that great snagless nose. If you can afford these Positrons, get them!
Lorenzo at REI on 03/03/2008

My favorite utility locking biner

BD positron lockers are my favorite utility locking biners. It's compact, lightweight for a locking biner, and easy to use with its keylock nose. Other than belaying (I use dedicated belay lockers), I use it almost everywhere that calls for a locker: backing up a rappel, connecting an autoblock belay device to the anchor, anchoring myself on a multi-pitch climb, hooking up to an ascender, etc.
aikibujin at REI on 01/01/2009

Simple workhorse carabiner

While there are no special features about this locker, it is relatively light, small, and inexpensive. This makes it a great carabiner to add multiples of for anchors, pas systems, and any other points you need security with. Not a wide gate so not great for belaying.
Natesnotes at REI on 10/10/2013

Great Medium-Sized Utility Biner

This is the biner I use to clip my personal anchor system into the anchor. I also use it to anchor myself in both the indoor gym as well as outdoors. It's just a great utility biner at the right price.
Sigs at REI on 04/04/2009


I bought this around Christmas when I was starting to climb more. Before I just worked C.O.P.E. course's and we used steel Carabiner's. This Carabiner is 10 time better than the steel ones and weighs only a 1/4 the weight.
Hood2142 at REI on 02/02/2012

Love 'em!!!

I have two of these and I love them! Lightweight, strong, quick and easy to use. Gate opens wide and screws securely (assuming you lock down). I have never had one open on me when properly secured. Overall great biner!
TxClimber at REI on 04/04/2011

Sweet 'biner

Sweet all around utility biner. Great for just about everything except belaying. I prefer a larger, rounded biner for that. These are great for setting up top-ropes, building anchors, etc... and when they are on sale its even better
getoutside77 at Eastern Mountain Sports (EMS) on 11/11/2012