50pcs M3 4/6/12/20mm Double Pass Hollow Hex Copper Ferrule Cylinder Piller

50pcs M3 4/6/12/20mm Double Pass Hollow Hex Copper Ferrule Cylinder Piller

Description:
Material:copper
Size:M3*4mm,M3*6mm,M3*12mm,M3*20mm
Quantity:50pcs

Feature:
Double pass hollow hex copper cylinder
Four size can be selected
Ideal for Electronics DIY or repair usage

Package included:
50X M3 Double Pass Hollow Hex Copper Cylinder