50pcs M3 4\/6\/12\/20mm Double Pass Hollow Hex Copper Ferrule Cylinder Piller
Description:Material:copperSize:M3*4mm，M3*6mm，M3*12mm，M3*20mmQuantity:50pcs
Feature:Double pass hollow hex copper cylinderFour size can be selectedIdeal for Electronics DIY or repair usage
Package included:50X M3 Double Pass Hollow Hex Copper Cylinder