Features:
125KHz RFID blank white cards, readable and writable.
Re-usable, can be read and written repeatedly.
Perfect for cloning existing RFID pass cards.
Access control for many places like offices, parks and much more.
Features:
Perfect fit for any 608 bearing size!
Simply screw on and press to tighten.
Silver plated, smooth and bright.
Suitable for fidget spinner, skateboard, DIY toy, or industrial application.
Also act as bearing cover to prevent dust particles penetration while spinning.