They are sold in sets of 6 bolts which is enough for 1 rotor.
NOTE: Torque to 4Nm
The BDop Alloy Rotor Bolts are made from 7075 Alloy and require a Torx T20 tool.
They will attach your rotors firmly and securely and save a few grams.
1 set (6-Bolts) is XXg.