Solder Tip Polishing Bar SF_Wire has a gearbox ratio of

has a gearbox ratio of 1:48 and a speed of 90RPM at 4

We include a driver board with HDMI

Secure bootloader for easy firmware updates

Keypads are very handy input devices

4" ABS Plastic Handle with Rubberized Grip

Solder Tip Polishing Bar SF_Wire has a gearbox ratio ofDo you need to remove the oxidation and surface contamination from your soldering iron tip? The Solder Tip Polishing Bar allows you to do just that! This bar provides a great way to bring your older or neglected soldering tips back from the dead. Just make sure the tip is cold, give it a good scrubbing with this bar, and you're all set! It is important to immediately tin the just polished tip to avoid oxidation. **Note:** Only use this polishing bar