This is a 29mm diameter single use motor. It is ready to fly and doesn't need any motor hardware. You will still need a retaining system.
F67 White Lightning™ Economax (2-pack)
Motor F67 Manufacturer Aerotech Type Single Use (Economax) Flame White Lightning™ (W) Quantity per pack 2 motors Diameter (mm) 29.0 Length (cm) 8.3 Ejection Delay (s) 4, 6 or 9 Average Thrust (N) 69.0 Maximum Thrust (N) 86.0 Burn Time (s) 0.8 Total Impulse (Ns) 61.6 Total Mass (g) 80 Propellant Mass (g) 30