The GNS18 is a complete system with a gooseneck, NC3FX-SPEC connector and adapters - Black. Gooseneck set: Gooseneck, 12 mm diameter, 230 mm length, NC3FX-SPEC, black, stainless steel
The GNS36 is a complete system with a gooseneck, NC3FX-SPEC connector and adapters - Black. Gooseneck set: Gooseneck, 13 mm diameter, 360 mm length, NC3FX-SPEC, black, stainless steel
The GNS50 is a complete system with a gooseneck, NC3FX-SPEC connector and adapters - Black. Gooseneck set: Gooseneck, 15 mm diameter, 500 mm length, NC3FX-SPEC, black, stainless steel