20pcs V623ZZ V Groove Ball Carbon Steel Bearing Pulley for Rail Track Linear Motion System 3x12x4mm cocoon 325-44112 Standard Retractable CB Microphone

325-44112 Standard Retractable CB Microphone Holder

but it does not affect the use

You can adjust the volume to avoid sudden increase in sound

mount it between the car headrest to watch movies

20pcs V623ZZ V Groove Ball Carbon Steel Bearing Pulley for Rail Track Linear Motion System 3x12x4mm cocoon 325-44112 Standard Retractable CB Microphone20pcs V623ZZ V Groove Ball Carbon Steel Bearing Pulley for Rail Track Linear Motion System 3x12x4mm Why choose Fdit Bearings? These bearings are made from high quality carbon steel for durability and long service life. They are double shielded to avoid contaminants entering and save lubricant. Bearings have 1. 4mm deep V groove that generally ride on a rail or track. These are dedicated bearings that are used in many linear motion systems. There comes