Mammut Smart HMS 2.0 Screwgate Carabiner

The Mammut Smart HMS 2.0 Screwgate Carabiner is a lightweight, UIAA-certified HMS belay carabiner designed for safe, smooth belaying and rappelling. Its safety-gate mechanism prevents accidental lateral loading, while the optimized construction and Key Lock nose deliver reliable performance for gym, sport, and multipitch climbing.

Key Features

• Safety gate mechanism – Ensures the carabiner can only be used when securely closed, preventing accidental lateral loading.
• Optimized construction – Improved build for smoother belaying, extended durability, and higher breaking loads.
• Key Lock nose – Snag-free clipping and unclipping without catching on bolts or gear.
• Lightweight aluminum – 100% aluminum hardware keeps weight low without sacrificing strength.
• UIAA certified – Meets rigorous safety standards for climbing equipment.
• High strength ratings – Vertical breaking load 28 kN; open breaking load 6 kN; horizontal breaking load 11 kN.
• HMS geometry – Large, pear-shaped profile ideal for Munter hitch belaying and rappelling.
• Compact dimensions – 119 mm height, 77 mm width, 27.5 mm gate opening for versatile use.