
Best selling Karabiners from Mammut
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1. Mammut Wire transmitter
A 6-pack of all-season wire gate carabiners for trad climbing. Color-coded to match your climbing gear. The ultralight carabiner performs excellently in snow and ice, reducing the risk of open loading. The optimized nose simplifies handling during clipping, as well as attaching and detaching. Its construction ensures high performance and durability at a low weight.
Dimensions: Weight: 28 g, Size in mm (L x W): 90 x 54 mm
Carabiner: Locking mechanism: wire, with twist lock: No
Maximum load: Open: 8 kN, Longitudinal pull: 21 kN, Lateral pull: 7 kN
Main information: Type: standard carabiner, Usage note: Please read the included user manual carefully before use.
Details: Carabiner with weight-saving wire gate, functional even in snow and ice. Excellent weight-to-breaking load ratio thanks to the simple carabiner design. Reduced inertia of wire gates lowers the risk of open loading.

2. Mammut Workhorse Keylock 17 cm Quickdraw
The Workhorse Keylock Express Set sets standards in handling and performance. The ergonomically shaped carabiner fits perfectly in the hand. Its generous geometry, the textured grip area on the straight gate, and the improved Keylock nose make clipping and unclipping easier. The innovative profile construction makes it particularly robust while saving weight. The polyester sling is easy to grip, and a sturdy sling protector secures the lower carabiner and reduces wear. An indicator in bright orange shows that the sling and fixation are correctly attached to the carabiner. You can fully focus on climbing.

3. Mammut Classic HMS Twistlock Plus
The Classic HMS Twistlock Plus is a versatile medium carabiner in pear shape. It is suitable for belaying and belaying with HMS knots or belay devices, allows the rope to run smoothly and reduces wear. The twistlock closure allows fast automatic locking. The optimized Keylock nose ensures easy hooking and unhooking without snagging.

4. Mammut Transmitter Twistlock Carabiner
Compact, ultra-lightweight carabiner with Twistlock. When every gram counts, the Sender Twistlock carabiner is the right choice for performance-oriented climbers. Ultra-light and compact, it is still easy to handle thanks to its D-shape. The Twistlock closure allows for quick, automatic locking and can be operated with one hand.

5. Mammut Smart HMS 2.0 Screwgate
HMS carabiner with a safety mechanism against accidental cross-loading. The further development of the popular safety carabiner impresses with an improved design, higher breaking load, and reduced weight. What remains is double safety with simple handling. The screw lock can only be operated when the safety gate is also opened. Accidental opening is just as excluded as unintentional twisting of the carabiner in the safety loop of the climbing harness. This prevents dangerous cross-loading. For the Smart 2.0 belay device, Mammut recommends using the Smart HMS 2.0 carabiner.

6. Mammut Sender Keylock 17 cm Quickdraw
The Sender Express Sets are designed for alpine climbing and high-performance sports. The combination of ultra-lightweight, compact carabiners and Dyneema® slings offers an optimal weight-to-performance ratio. The straight gate with a textured grip zone makes clipping easier, while the Keylock system prevents snagging during attachment and detachment. The sling varies in width and is easy to grip, and a robust sling protector secures the lower carabiner and reduces wear. The indicator in bright orange shows that the sling and fixation are correctly attached to the carabiner. Ideal for users who need to save weight while still prioritizing ergonomics.

7. Mammut Transmitter Keylock 12 cm Quickdraw
The Sender Express sets are designed for alpine climbing and high-performance sports. The combination of ultra-light, compact carabiners and Dyneema® slings offers an optimal weight to performance ratio. The straight gate with ribbed grip zone facilitates clipping, and the keylock system prevents snagging during hooking and unhooking. The sling varies in width and is easy to grip, a robust sling guard fixes the lower carabiner and reduces wear. The indicator in bright orange shows that the sling and fixation hang correctly on the carabiner. For users who need to save weight and still pay attention to ergonomics.

8. Mammut Workhorse Screwgate
The Workhorse Screwgate Carabiner is the strongest Mammut carabiner and one of the most robust on the market. Its size makes it easy to handle even with gloves. The opening width and volume are large enough to accommodate multiple ropes, slings, and knots. It is ideal as a central carabiner for anchoring, as it is particularly sturdy and durable. The screw lock can also be used in icy or dirty environments. The Keylock nose facilitates easy clipping and unclipping without snagging. An orange marker indicates when the carabiner is not screwed shut.

9. Mammut Transmitter Wire Express Set
The Sender Wire Express Set by Mammut is a high-quality piece of equipment for alpine climbers and sport climbers. These lightweight quickdraws offer an optimal combination of functionality and safety. Made from a robust aluminum alloy and Dyneema, they ensure high load capacity and durability. Weighing only 68 grams, they are ideal for long climbing tours where every gram counts. The wire-gate carabiners allow for easy handling and minimize the risk of misgrabs, while the thoughtful design provides reliable performance in demanding climbing situations. The Sender Wire Express Set is therefore an excellent choice for anyone who values quality and safety.
- Maximum cross-load strength of 7 kN for added safety
- Maximum longitudinal load strength of 22 kN for high stability
- Lightweight at only 68 g for effortless climbing
- Made from 70% aluminum and 30% Dyneema for optimal material efficiency.

10. Mammut Element Steel Key Lock Karabiner
The Element Steel Key Lock Carabiner is ideal for climbing. This product is made by Mammut and is designed for both women and men.
