Aluminum D-Shape Safety Carabiner 4KN/12KN/25KN Climbing Lock

$27.80 $37.62

Color Blue-Black Black-Dark Red Black Blue Orange Black-Red Orange-Blue Black-Orange

Professional Aluminum D-Shape Safety Carabiner – Built for the Outdoors

Whether you're tackling rock faces, managing aerial work, or gearing up for outdoor adventures, this heavy-duty aluminum alloy D-shape carabiner delivers the security and performance you need. Available in three strength ratings — 4KN, 12KN, and 25KN — and a range of bold multicolor options, this locking carabiner is as practical as it is versatile.

Key Specifications

Material: Hot wrought aluminum alloy — lightweight yet incredibly strong
Strength Ratings: 4KN | 12KN | 25KN
Sizes:
- 4KN: 58.2 × 33.3 mm (2.29 × 1.31 in)
- 12KN: 80.3 × 46.2 mm (3.16 × 1.82 in)
- 25KN: 99.7 × 58.5 mm (3.93 × 2.30 in)
Maximum Load Capacity: Up to 2,500 kg (25KN model)
Colors Available: Black & Orange, Orange & Blue, Black & Red, Orange, Blue
Quantity: 1 piece per order
Country of Origin: Made in China

Why Choose This Carabiner?

✅ Secure Locking Mechanism: Features a reliable lock-open and identification design to keep connections firm and safe
✅ Lightweight Aluminum Build: Hot wrought aluminum alloy construction provides an excellent strength-to-weight ratio
✅ Multi-Use Design: Ideal for mountain climbing, rock climbing, outdoor expansion activities, aerial work, engineering protection, hoisting, and rescue operations
✅ Multiple Size & Strength Options: Choose the right rating for your specific application — from everyday EDC use (4KN) to heavy-duty rigging (25KN)
✅ Bold Color Choices: Easy to spot and identify in the field with vibrant dual-color designs

Versatile Applications

This D-shape carabiner is designed for a wide range of uses:

Mountain & rock climbing
Outdoor adventure & camping gear attachment
Aerial work & engineering safety
Hoisting & rescue operations
Backpack & key hooks (4KN model)

Frequently Asked Questions

Q: What is the difference between the 4KN, 12KN, and 25KN carabiner options?

A: The KN rating refers to the maximum load-bearing strength of the carabiner. The 4KN model (max ~300 kg) is suited for light-duty use such as keychain hooks or gear attachment. The 12KN model (max ~1,200 kg) is great for general outdoor activities like hiking and camping. The 25KN model (max ~2,500 kg) is the heavy-duty option designed for rock climbing, rescue, hoisting, and professional aerial work.

Q: What material is this carabiner made from?

A: This D-shape carabiner is crafted from hot wrought aluminum alloy, which provides an excellent balance of lightweight construction and high tensile strength — making it suitable for both everyday carry and demanding outdoor or professional applications.

Q: How does the locking mechanism work on this carabiner?

A: The carabiner features a screw-lock gate design with a lock-open and identification system. This ensures the gate stays securely closed during use, preventing accidental opening, and allows for quick visual confirmation that the lock is engaged.

Q: Is this carabiner suitable for rock climbing?

A: Yes! The 12KN and 25KN models are designed for climbing and outdoor adventure use, including mountain climbing, rock climbing, outdoor expansion activities, and professional hoisting or rescue scenarios. Always ensure you select the appropriate strength rating for your intended use.

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.