PRODUCT INFORMATION With a body made of high quality, lightweight aluminum, this ultra-handy accessory with its dual stainless steel spring gates will hold, secure, and connect everything like keys, water bottles, and gear. The dual independent gates allow for quick, convenient accessibility to your items. Smaller sized S-Biners are excellent for connecting items like keys and clipping to zippers, while larger sizes can be used for organizing the garage and hanging or carrying large items like sporting gear. Our S-Biners are available in three sizes (#2, #3, and #4) for small-to-larger tasks. PRODUCT DETAILS Solid aluminum construction Secure stainless steel wire gate closure Lightweight and strong Size # 4: Dimensions: 1.6" x 3.5" x .4" | 41mm x 90mm x 10mm Weight: .6oz | 17g WARNING: Not for use where disengagement could result in bodily injury or property damage. Not for climbing.