EK-Quantum Torque Color Ring 10-Pack HDC 12 - Nickel 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 Color Ring 10-Pack HDC 12 - Red 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 Color Ring 10-Pack HDC 12 - Blue 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 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 14 - Blue 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 - Nickel 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 STC 10/13 - Nickel are the interchangeable aesthetic rings for EK's new minimalistic 10/13mm soft-tube compression fittings designed for use with 10/13mm ID/OD soft tubing. These aesthetic rings are made of anodized aluminum.

EK-Quantum Torque STC 10/13 Color Rings Pack – Black (10pcs) are the interchangeable aesthetic rings for EK's new minimalistic 10/13mm soft-tube compression fittings designed for use with 10/13mm ID/OD soft tubing. These aesthetic rings are made of anodized aluminum.

EK-Quantum Torque STC 10/13 Color Rings Pack – Purple (10pcs) are the interchangeable aesthetic rings for EK's new minimalistic 10/13mm soft-tube compression fittings designed for use with 10/13mm ID/OD soft tubing. These aesthetic rings are made of anodized aluminum.