EK-Quantum Torque Compression Ring 6-Pack HDC 12 - Blue is a premium locking ring made for the EK-Quantum Torque HDC 12 series fittings. It is not a stand-alone product, requiring an existing Torque fitting's barb.

EK-Quantum Torque Color Ring 10-Pack HDC 12 - Green 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 10/13 Color Rings Pack – Satin Gold (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 Compression Ring 6-Pack HDC 14 - Green is a premium locking ring made for the EK-Quantum Torque HDC 14 series fittings. It is not a stand-alone product, requiring an existing Torque fitting's barb.

EK-Quantum Torque Compression Ring 6-Pack STC 13 - Red is a premium locking ring made for the EK-Quantum Torque STC 10/13 series fittings. It is not a stand-alone product, requiring an existing Torque fitting's barb.

EK-Quantum Torque STC 10/16 Color Rings Pack – Green (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 Extender Static MM 14 is a premium male-threaded extender interconnect with male threads on both ends. It is used for connecting two water cooling components which both have female G1/4 threads.

This is not a revolvable extender.

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.

EK-Quantum Torque Micro Extender Static MM 7 - Gold is a premium male-threaded extender interconnect with male threads on both ends. It is used for connecting two water cooling components which both have female G1/4 threads. This extender is especially useful in situations where the port spacing is too low, or due to clearance issues.