Made in Nethlands SH30 (3 pack) replacement heads are compatible with Shaver series 3000 (S3xxx), series 1000 (S1xxx) and Star Wars shaver SW3700.  It also substitutes for the HQ9 heads and fits many more models.

Easy to replace shaving heads

1. Open the shaver by pressing the "release" button; 2. Remove the retainer by turning the lock counterclockwise; 3. Take out the old shaving heads and carefully insert replacements; check that the heads align exactly in the setting; 4. Replace the retainer and secure it by turning the lock clockwise; 5. When you close the shaving head properly, you will hear it click into place.