1Quick transition from one point to two points, one hand can tightened to adjust webbing, in case of emergency, symmetrical safety buckle equipment. 2Nylon rope used to reinforce contact place between the buckle and nylon rope, to avoid webbing and buckle being close to each other, to make the surrounding body feel good. 3Single point combined with large D buckle in new designed, can facilitate using, but also increase designed of the roof of the arc to make the left buckle run down naturally. 4Suitable for climbing, mountaineering, outdoor backpack binding. 5Small size and lightweight, easy to carry and store, convenient to use.