This robust antique nickel (greyish colour) all-metal (shaft and cap) has a 20mm in diameter.

This robust antique nickel (greyish colour) all-metal (shaft and cap) has a 20mm in diameter.

This robust aged brass (brownish colour) all-metal (shaft and cap) has a 20mm in diameter.

This trendy aged brass (brownish colour) all-metal (shaft and cap) has a 20mm in diameter.

This easy to attach antique nickel (greyish colour) all-metal (shaft and cap) has a 20mm in diameter.

This trendy antique nickel (greyish colour) all-metal (shaft and cap) has a 20mm in diameter.