With two Positron carabiners and a lightweight 14 mm Dynex dogbone, the Black Diamond Positron Quick draw is our top value in full key lock functionality.. . The light, smooth clipping design eliminates snags whether you're cranking on sport routes or extending gear placements. Integrated Straitjacket insert keeps the bottom biner in the optimal clipping position. Straight gate Positron on top, bent gate Positron on bottom. Dual key lock noses ease clipping and cleaning. 14 mm Dynex dogbone is light, durable, and easy to grab.