Leegoal bulk packing with good quality warranty.. Direction:using saw to make a flexible knot on cutting object,place both thumb on either side of the ring,do v-shaped incision back and forth pulling. 4 strand braided stainless steel wire constructured with metal ring at each end. Function:hinking,camping and other outdoor activities survival tool. Material:stainless steal; Length:Approx 70cm/27.6inches.