High Quality MaterialsThis circlip set made of durable hardened metal with tensile strength, holds strong and lasts long. Snap-in external circlip has tensile strength, good corrosion resistance and good oil resistance. Main FunctionThese circlips can be snapped into a machined groove on a stud or a another piece to allow rotation but avoid lateral movement. External circlip for retaining bearings, gears, pulleys etc. Various SizesKit includes sizes of 2mm, 4mm, 5mm, 6mm, 8mm, 9mm, 11mm, 12mm, 13mm, 14mm, 16mm , 19mm, 25mm, 26mm, 28mm, 28mm, 22mm and 22mm for all kinds of uses, can be used in different machines. What You GetThe set includes a plastic storage case to keep the clips tidy and organized. you will receive a convenient, resealable storage box with 300 different rings for indoor and outdoor security. You will find the sizes included in the product description. Quality ServiceWe will provide high quality products and enthusiasm to serve our customers. If you have any questions, do not hesitate to contact us.