Description: Star single flange shape Durable and lightweight, easy to install Universal fit for 1-1/8" Rod / 28.6mm To place inside a steerer tube suspension of the fork to which the steerer bolt will attach. To ensure proper height and alignment fit, please consider our star fangled nut setter tool Specification: Material: Metal Size: Approx 1 inch / 25, 4 mm Black color Package includes: 10 x Fangled Star Nut Helmet LRFR is committed to providing to each customer the highest standard of customer service.