D-Shape Safety Carabiner 4KN/25KN Aluminum Lock – 3 Colors
Professional Aluminum D-Shape Safety Carabiner – 4KN & 25KN Rated
Whether you're scaling rock faces, working at height, or rigging up outdoor gear, this D-Shape Safety Carabiner delivers dependable locking performance in a lightweight aluminum alloy body. Available in two load ratings — 4KN (300 kg) and 25KN (2,500 kg) — and three bold color options, this carabiner is the go-to hardware clip for climbers, engineers, and outdoor adventurers alike.
Key Features
- Hot-Wrought Aluminum Alloy construction for a high strength-to-weight ratio
- Two load ratings: 4KN (max 300 kg) for everyday outdoor use & 25KN (max 2,500 kg) for heavy-duty rigging and aerial work
- D-Shape design distributes load along the strong spine for maximum integrity
- Locking gate with clear open/closed identification for added security
- Compact & portable: 4KN size — 58.2 × 33.3 mm (2.29 × 1.31 in); 25KN size — 99.7 × 58.5 mm (3.93 × 2.30 in)
- 3 color options: Black & Orange, Orange, Black & Red — easy to spot in any conditions
- Ideal for mountain climbing, rock climbing, outdoor expansion, aerial/overhead work, engineering protection, hoisting, and rescue operations
Specifications
| Material | Hot-wrought aluminum alloy |
| Ratings | 4KN (300 kg max) / 25KN (2,500 kg max) |
| 4KN Size | 58.2 × 33.3 mm (2.29 × 1.31 in) |
| 25KN Size | 99.7 × 58.5 mm (3.93 × 2.30 in) |
| Colors | Black & Orange, Orange, Black & Red |
| Quantity | 1 pc |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1 × D-Shape Safety Carabiner (your chosen size & color)
Note: Please allow 1–2 mm variance due to manual measurement. Actual color may vary slightly from screen images due to display settings.
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Frequently Asked Questions
Q: What is the difference between the 4KN and 25KN carabiner?
A: The 4KN carabiner has a maximum load capacity of 300 kg and is smaller (58.2 × 33.3 mm), making it ideal for everyday outdoor activities, keychain use, and light rigging. The 25KN carabiner supports up to 2,500 kg and is larger (99.7 × 58.5 mm), designed for heavy-duty applications such as aerial work, hoisting, engineering protection, and professional climbing.
Q: Is this carabiner suitable for rock climbing and overhead safety use?
A: Yes. The D-shape aluminum alloy construction and locking gate design make this carabiner well-suited for rock climbing, mountain climbing, outdoor expansion activities, and overhead safety applications. Always select the appropriate KN rating for your intended use and follow all applicable safety guidelines for your activity.
Q: How do I identify which color options are available?
A: This safety carabiner is available in three color options: Black & Orange, Orange, and Black & Red. Simply select your preferred color and size (4KN or 25KN) before adding to cart.
Q: What material is this carabiner made from?
A: This carabiner is crafted from hot-wrought aluminum alloy, which provides an excellent balance of strength and lightweight portability — a key advantage when carrying gear over long distances outdoors.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.