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.

EK-Quantum Torque STC 12/16 Color Rings Pack – Nickel (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.

EK-Quantum Torque STC 12/16 Color Rings Pack – Red (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.

EK-Quantum Torque STC 12/16 Color Rings Pack – Gold (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.

EK-Quantum Torque STC 12/16 Color Rings Pack – Blue (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.

EK-Quantum Torque STC 12/16 Color Rings Pack – Purple (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.