The tubular lug is designed to connect cable. It is made of tinplated copper (by electrolysis). It is manufactured with an inspection hole and socketing. It is implemented with hexagonal compressed connection. It allows copper and aluminium conductors.
This lug meets the requirement of the NFC 20-130 standard.

The friction welded lug is used to connect aluminium bare conductors to copper equipment terminals. It is used for industrial or indoor applications.
This lug is implemented by crimping and out of traction. This lug meets the requirement of the NF C 63-061 standard.

The Al/Cu tinned aluminium lug is used to connect aluminium bare conductors to copper equipment terminals.
It is applied with a deep crimping.