426906 Kit includes plastic pieces for the Nebula Deluxe fenders: 2 Long strut socket with M5 nut. 2 Short strut socket with M5 nut. 4 interchange ball with bolt. 426907 Kit includes pack of 4 stainless steel seatstay hangers that fit Interchange Nebula, Approved, and NCS fenders: 1x 26″, 1x 700Cx35, 1x 700Cx45, 1x 700Cx45 for Nebula Deluxe. 426908 Kit includes 12 strut adjuster replacement parts for the NCS fenders, includes nut and bolt. 426909 Kit includes 6 strut attachment parts for Approved fenders, includes screw.