"The Black Diamond Diamond Dogbone 12cm is a wide dogbone for building custom sport climbing quickdraws. Its 27-millimeter polyester webbing is wide enough to grab easily while working out the moves on a project. What Our Gearhead® Experts Are Saying:""The Straitjacket rubber insert holds the bottom carabiner in its clipping position. By the fifth burn on a project, the gate still sits the same way it did on the first."""