#3 Lightweight Slide Lock Aluminum Colorful Carabiner, Ditches The Traditional Bulky Tubular Construction For A Cross Sectioned, Rectangular Body That's Low Profile &Slim To Feed More Easily Through Small Openings & Rests Flat In Pockets, Slide To Lock Design That Securely Locks The Gate With A Simple Push & Slide Movement, & Unlocks When You Want Just As Easily.