The SIP 154477603 Spider Bolt is a genuine OEM replacement part designed for various SIP STAR series agricultural machinery, specifically tedders and rakes. This essential component ensures the secure attachment and proper functioning of the spider assembly, critical for efficient hay handling. It is compatible with models such as STAR 455/13, 685/20, 855/26, 1000/30, and SPIDER 455/4, 555/4, 685/6, 855/8, 1000/10.