Rubber vise clamp to hold max 30mm objects. It’s made of hard rubber (not metal) to prevent scratching the surface of earphone shells.
You definitely need this in your earphone DIY for:
- Fix the position of earphone/headphone divers BEFORE soldering. Drivers are with strong magnetic attractions and will stick to (suicide) you soldering iron immediately.
- After gluing the front and backend covers, you need it to stably press both parts together for 30mins.