Made from, stainless steel, these cotter pins allow safe usage in educational settings and children ' s craft projects, promoting hands on learning without concerns Ideal for both enthusiasts tackling home projects and professional mechanics handling industrial repairs, these pins meet the needs of users requiring dependable, quickly release fasteners VersatileS multiple size R clip in pack, this fastener collection eliminates the need for multiple purchases and provides the right pin for mechanical fastening requirements Perfect for bicycles repairs, automotive maintenance, and industrial machinery applications, these R pins enable secure connection in environments demanding vibrations resistance and easy assembly / disassembly Crafted from premium stainless steel, this 200 piece cotter pin set delivers rusts resistance and proof, ensuring reliability for demanding applications, Manufacturer: SHINLHUA