The ProSeries® Aluminum Key-Lock Carabiners are high-strength, NFPA General Use-rated rescue carabiners engineered for technical rescue, rope access, and demanding life safety applications. As the first aluminum carabiners to meet NFPA General Use strength requirements, the ProSeries line combines exceptional performance with reduced weight, helping rescuers carry less gear without compromising safety.

Featuring a patented key-lock nose design, these carabiners eliminate snagging when clipping or unclipping from harnesses, ropes, and webbing. The redesigned frame provides a generous 1.1-inch (28 mm) gate opening while maintaining outstanding strength and durability. Every carabiner is proof loaded and individually serialized for traceability and quality assurance, making the ProSeries a trusted choice for rescue professionals worldwide.

Features

• NFPA General Use-rated aluminum rescue carabiners
• Patented key-lock nose design prevents snagging during use
• Lightweight construction helps reduce overall gear weight
• Optimized D-shape provides excellent strength-to-weight ratio
• Wide 1.1-inch (28 mm) gate opening for versatile connections
• Available in Screw-Lock and Auto-Lock gate configurations
• Proof loaded for quality assurance
• Individually serialized for traceability
• Designed for rescue, rope access, and technical operations
• Patented design

Specifications

Screw-Lock, Brite (Item #300221)

• Weight: 5 oz (142 g)
• Gate Opening: 1.1 in (28 mm)
• Interior Length: 4.05 in (103 mm)
• Gate Type: Screw-Lock
• Color: Brite (Silver)
• NFPA Rating: General Use
• Major Axis Strength: 44 kN (9,892 lbf)
• Minor Axis Strength: 13 kN (2,923 lbf)
• Gate Open Strength: 14 kN (3,147 lbf)
• Minimum Breaking Strength (MBS): 44 kN (9,892 lbf)

Auto-Lock, Red (Item #300233)

• Weight: 5.3 oz (150 g)
• Gate Opening: 1.1 in (28 mm)
• Interior Length: 4.05 in (103 mm)
• Gate Type: Auto-Lock
• Color: Red
• NFPA Rating: General Use
• Major Axis Strength: 40 kN (8,992 lbf)
• Minor Axis Strength: 11 kN (2,473 lbf)
• Gate Open Strength: 14 kN (3,147 lbf)
• Minimum Breaking Strength (MBS): 40 kN (8,992 lbf)