1.2in1 Design: On external pliers the head opens when the handle is squeezed and the circlip is pushed out. These pliers are used to mount circlips on shafts and guide rods. On internal pliers the head closes when the handle is squeezed and the circlips is pulled in. These pliers are used to install circlips inside bores. 2.Professional Tool: Unique and novel design, strong practicability of snap ring pliers, dualuse snap ring pliers, one clamp with two, the inside and outside card for dualuse, do not need to change the head, easy to operate. And it provides a comfortable working experience. Circlip plier is a musthave for professionals. 3.Quality Material: Selected alloy steel, strength, toughness, wear resistance, low temperature and temperature resistance, etc. Nonslip handles, quality springs, stable opening and closing, control of the whole. Heavyduty coated metal construction provides strength and longlasting durability while providing a smooth finish for this musthave tool. 4.Portable and Flexible: Circlip plier has small size and light weight, which is easy to carry and convenient to store. By changing the chuck of different angles, the reclining ring can be easily removed or installed in different positions. The replacement operation is also very simple, just unlock the silver spring of the fixed chuck.