Nite Ize SB1-11-6R3 S-Biner Dual Carabiner, Size #1, Stainless Steel Weight-Rated Stainless Steel: These ultra-strong S-Biners are made of durable stainless steel; pack includes 6 size 1 S-Biners that hold up to 5 lb each Multiple S-Biners for Keys: Keep track of and organize all your keys with this S-Biner combo pack; use on backpacks, purses, and other every-day bags Carabiner with Easy Attachment: This S-Biner has two gates so you can clip keys or gear to one side and clip the other side to your backpack, belt loop, bag, or pocket Multiple uses: re-link a broken chain, hang things, replace tab on a broken zipper, etc. Secure Key Holder: Replace your carabiner keychain with S-Biners that keep your keys clipped to one side while leaving the other side free