(2 Pack) 1" Inch Chrome Steel Bearing Balls G25 - BC Precision industrial_Oct2022 same as the 3Doodler pen

same as the 3Doodler pen filament refills and it works fine with 3Doodler start 3D pen

and apply it on the corresponding position

these heat moisture exchange filters help maintain the normal function of mucociliary transport

Integrated massage points with their specially movable nubs work specifically on particularly painful areas

Ideal for on the go and traveling (travel set)

(2 Pack) 1" Inch Chrome Steel Bearing Balls G25 - BC Precision industrial_Oct2022 same as the 3Doodler pen(2 Pack) 1" Inch Chrome Steel Bearing Balls G25 BC Precision Product Features High precision grade G25 Finest quality AISI 52100 chrome steel Manufactured in China Package Dimensions: 4" L x 3" W x 3" H