Grab another locking carabiner to have the ability to double clip your dog to something. Whether it is your chair while you're drinking coffee outside your favorite coffee shop, or your backpack while you take him backpacking, there are a number of different ways to utilize the second carabiner! And, in case you wound up here by searching for a carabeaner, caribiner, caribeaner, caribener, carribeaner, carabeener, carbiner, or carabeaner... you're in the right place! Small: .5 ounces, 35 mm x 60 mm, 7kN rating Large: 1.5 oz, 55 mm x 90 mm, 17kN rating Made of Aluminum Manual, screwgate locking method Spring hinged - they only open when you want them to