Nite Ize LSBM-01-2R3 S-Biner Micro Lock, Black, 2-Pack

Our smallest-sized S-Biner just got a great big upgrade: it locks
High quality stainless steel construction
Secure stainless steel wire gate closure
Dimensions: 1.39-Inch x 0.59-Inch x 0.27-Inch | 35.46 mm x 15.08 mm x 7.07 mm | Weight: 0.14-Ounce | 4 g | Weight rating: 3 Pounds