how to replace the PreciseShave blades:
step 1
Before replacing the blades, be sure to turn off the shaver. Grip the outer edge of the cutter block firmly and lift it vertically to detach it from the shaver.
step 2
Grab the individual blade firmly and lift it vertically to detach it.
step 3
Replace with new shaver blade.
step 4
Replace the outer edge with new foil blades.