It's what's hot in the vertical world.
The HotWire Carabiner is Black Diamond's original wire gate carabiner, designed for climbing lightly. Wire gates reduce flutter as well as weight, meaning the gate won't accidentally open after you've clipped your rope to it.
Wire gate
Item #BLD00H8
Material: cold-forged
Gate Type: wire
Major Axis Strength: 24 kN
Minor Axis Strength: 8 kN
Open Gate Strength: 8 kN
Gate Opening: 25 mm
Claimed Weight: 1.4 oz
Recommended Use: climbing
Manufacturer Warranty: 1 year