This is the Trident Coil Magna Clip Lanyard to Brass Clip       

Features:

• Traylon high energy magnets
• Magna-Clip: Magnetically connects & disconnects
• Allows one hand operation
• Swivel gate clip for attachment to gear
• Corrosion resistant, marine grade brass, spring loaded 360-degree swivel gate clip
• Lanyard loop for attachment to console or accessory
• High-stretch coil lanyard
• Coil provides up to 36" (91.4cm) of stretch
• Holding Power: 4 lbs. (1.8kg)
• Uses: Consoles, slates, cameras, laser pointers, small lights, fish cards, gauges, and more!
• Great save-a-dive kit item
• Caution: Magnets can affect compass readings when close to compass

This lanyard offers a secure, stylish connection. The Trident Coil Magna Clip attaches securely to the brass clip, giving a secure hold in any situation. Enjoy freedom of movement without compromising safety.