This is most high quality pliers that is designed to have a hooked jaw with micro-serrate shape inside of surface that can hold the material tightly and is also suitable for pulling out fishing hooks or split the overlapping ring ect.. The jaws offers other functions such as bending. squeezing and cutting which can be used in a wide rang like fishing. jewelry making. craftwork. electronic repair ect…It offer user a comfortable operate with the ergonomic grips and return spring action. In addition .this pliers also has a safety lock device