This set comes with 12 pieces, all the pieces you need to do one bike front and rear. These fit most 6 bolt rotor bikes. Bolts are M5x10 with a T25 Torx head. 
If you choose Custom color please enter in the notes at checkout how many you want of each color for a total of 12. For example, “6 purple, 6 Gold” 
 
For information on colors Click Here