Titanium QD Kwik Release Keychain Coupler is designed to be a simply useful and secure key chain connector you can rely on 24/7. The slide lock mechanism is both incredibly strong and and easy to use with just one hand for a quick disconnect. Slide the mid section over to release the male connector which will lock into place.

Use on you keys, gear bag, snap ring, necklace and more

Also pairs great the nano split rings ( Here )

Specifications:

1.1 inches x .4 inches

Weight .18 ounces

Grade 5 Titanium 

Note: Not a life safety device and should not be used as such under any scenerio!