The star nut installation and removal tool set provides professional-grade precision for bicycle headset maintenance. This comprehensive kit includes a 237mm removal rod for extracting old star nuts, an auxiliary installation sleeve for precise new star nut placement, 1 star nut, and 3 positioning screws. The blue anodized aluminum construction combines durability with style, while the two-piece design ensures perfect alignment during installation. Compatible with 28.6mm steel steerer tubes only. NOT for use with carbon fiber steerer tubes.