EK-Quantum Torque Color Ring 10-Pack HDC 14 - Black are the interchangeable aesthetic accent rings for EK's new minimalistic 14mm hard-tube compression fittings designed for use with 14mm OD solid tubing such as Acrylic and PETG. They are made of anodized aluminum.

EK-Quantum Torque Color Ring 10-Pack HDC 16 - Black are the interchangeable aesthetic accent rings for EK's new minimalistic 16mm hard-tube compression fittings designed for use with 16mm OD solid tubing such as Acrylic and PETG. They are made of anodized aluminum.

EK-Quantum Torque Color Ring 10-Pack HDC 12 - Black are the interchangeable aesthetic accent rings for EK's new minimalistic 12mm hard-tube compression fittings designed for use with 12mm OD solid tubing such as Acrylic and PETG. They are made of anodized aluminum.

EK-Quantum Torque STC 10/16 Color Rings Pack – Black(10pcs) are the interchangeable aesthetic rings for EK's new minimalistic 10/16mm soft-tube compression fittings designed for use with 10/16mm ID/OD soft tubing. These aesthetic rings are made of anodized aluminum.

EK-Quantum Torque STC 12/16 Color Rings Pack – Black (10pcs) are the interchangeable aesthetic rings for EK's new minimalistic 12/16mm soft-tube compression fittings designed for use with 12/16mm ID/OD soft tubing. These aesthetic rings are made of anodized aluminum.