The DMM Phantom Screwgate is one of the world's lightest locking climbing carabiners. 

At just 42 grams, but with a huge amount of strength for its functional size, this could be the ultimate trad carabiner. If you want to indulge in the extra security of a locking biner with no weight penalty then look no further.

Features

• Versatile and lightweight keylock Screwgate (42g)
• Strong and light I-Beam construction
• Offset D-shape to encourage correct loading and increase volume to enable improved handling and compatibility with thicker ropes and slings
• Keylock nose to eliminate snagging 
• Available only with a Screwgate locking system to keep weight to a minimum

Specification

• Gate Clearance mm: 16
• Gate Closed kN: 24
• Gate Open kN: 9
• Keylock: Yes
• Minor Axis kN: 9
• Width Widest mm: 54
• Length mm: 94
• Material: Alloy
• Weight: 42g