Lewis N Clark Large 3 Digit Combination Locking Carabiner Set Black Durable cast zinc construction, perfect for locking items to a bag, backpack, luggage, etc. Also great for small tools and accessories, 7.62mm coated steel Resettable 3-dial combination, ships as set of 2 Includes instructions for setting your own unique combination number Dimensions: 4.25" long x 2.5" wide (at widest point) x 0.25" deep