"Nibco" 6173 3"" Copper Tube Cap

Nibco 61734 This is a 3/4"" copper tube cap nibco 61734. This is a replacement tube cap for the nibco 61734 copper tube.

Nibco 61738 This is a NIBCO 3/8"" Copper Tube Cap Nibco 61738. This tube cap is made of copper and is 3/8"" in diameter. It is a replacement tube cap for the NIBCO 61738 fountain pen.

This is a 1"" Copper Tube Cap Nibco 6171. This is a copper tube cap for a nibco 6171 pen. This is a replacement part for a nibco 6171 pen.

This is a 1/4"" Copper Tube Cap Nibco 61714. This is a copper tube cap for a nibco 61714 pen.

Nibco 61758 This is a NIBCO 5/8"" Copper Tube Cap Nibco 61758. This is a copper tube cap for a nibco 61758 pen.

This is a 1/2"" Copper Tube Cap Nibco 61712. This is a copper tube cap for a nibco 61712 pen.