Related Clues:
- Diary protectors
- Pressure, so to speak
- Gate fasteners
- Hardware store boxful
- Hinged door fasteners
- Some propellers
- Hardware store binful
- 'Some assembly required' extras
- "Some assembly required" extras
- Lock holders
- Features of some diaries
- They have threads and heads
- Pins with spiral threads
- Fastner with spiral thread
- Fasteners with threaded shanks