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uxcell Knurled Thumb Nuts - M3 Round Knobs with - Zinc Plating - Pack Of 10

and can be switched to breathing light mode

This is a completely hassle-free purchase

Lights wiring

Eyoyo 2D Finger Ring Barcode Scanner, Mini Wearable 3-in-1 USB Wired & 2.4G Wireless & Bluetooth Scanner, Image 1D QR Bar Code Reader PDF417 Data Matrix Screen Scan for iPad, Smartphone, PC sold2024 uxcell Knurled Thumb Nuts -Eyoyo 2D Finger Ring Barcode Scanner, Mini Wearable 3 in 1 USB Wired & 2. 4G Wireless & Bluetooth Scanner, Image 1D QR Bar Code Reader PDF417 Data Matrix Screen Scan for iPad, Smartphone, PC Eyoyo 2D Wearable Ring Barcode Scanner, a New finger barcode scanner for you. Not only with a fashionable and stylish appearance, also with 30g 1. 05oz lightweight and completely mini design. 3 in 1 connection mode with Bluetooth& 2. 4G Wireless & USB Wired, along