Better Bolts Titanium Buttonhead Rotor Bolt Kit Upgrade every detail. Better Bolts makes titanium bolt kits purpose-built for specific applications, and this kit is designed to replace all the rotor mounting hardware on a mountain bike. Each kit includes 12 M5x10mm titanium button head bolts, enough to cover both rotors. Made from 6AL-4V Grade 5 aerospace titanium, they are lighter and more corrosion-resistant than the stock steel bolts they replace. Better Bolts recommends installing rotor bolts with blue thread locker and anti-seize behind the bolt head for a secure, long-lasting installation. Available in five PVD colors. Features6AL-4V Grade 5 aerospace titanium delivers a stronger, lighter, and more corrosion-resistant alternative to stock steel rotor hardware12-bolt kit includes enough hardware to replace all rotor mounting bolts on a complete mountain bike with two rotors M5x10mm button head with Torx T25 drive for a low-profile, clean look and secure installation PVD color coating adds strength, wear resistance, and corrosion resistance, with colors that stay consistent batch to batch and won't fade over time Available in 5 finishes Rainbow Oil Slick, Gold, Black, Silver, and Copper Better Bolts Lifetime Warranty covers coloring issues and defects for the life of the bolts SPECIFICATIONSMaterial6AL-4V Grade 5 aerospace titanium Bolt Size M5x10mm Head Style Button head Drive Torx T25Kit Contents12 bolts (enough for 2 rotors)Finish PVD coated (Rainbow Oil Slick, Gold, Black, Silver, Copper)Warranty Lifetime | Better Bolts | Titanium Buttonhead Rotor Bolt Kit | Copper | 12/count