Nite Ize - LSB4-01-R3 LSB4-11-R3 S-Biner Slide Lock Carabiner, Black, #4

Ive loved NiteIze products for years. These carabiners are solid, handy and last a lifetime.

The locks work great.

I would never recommend this for a key chain. Had it several months and just started losing keys , key fobs , any on the loops. Not good.

It has secure lock, nice. I have one for many years and now I have 2

Work at receiving and maintaining Machine running comes in handle with the huge hook to hold or install organize and goes well with my tractable key holder.

Needed this bad. Lost work keys...never again!

This is got a sliding lock feature its like a hard rubber grommet that you slide down snaps into place with a satisfying little click keys cannot fall out Ive had carabinas and the key slip out next thing you know youre looking at them theyre laying on the ground or in the console of your vehicle not happening with these these are stay put excellent gifts and youll probably never go for a different key chain again

Great quality. Easy to use. Recommended

This carabiner is great. Always comes in handy. The reason I gave a 4 star for locking feature is because after a while they will break. They are plastic so you can not be to rough with them. I use mone on a daily basis. But other than that they works great

The locks are a great improvement over the original S-Biners as I had my cellphone case, keys, etc. unlatch from the older version hooks (without the locks). The new versions locks slide easy enough with just the right amount of tension. I have used it for a week without an hassles. I feel a lot safer now. The slides will probably wear down after a while with use, but they are not expensive to replace.