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 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 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-AF (Adapter Fitting) is a 90° adapter fitting with two female G1/4" threads.

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.

EK-Quantum Torque Extender Static FF 14 is a premium male-threaded extender interconnect with female threads on both ends. It is used for connecting two water cooling components which both have male G1/4 threads.

This is not a revolvable extender.

EK-Quantum Torque Compression Ring 6-Pack STC 16 - Green is a premium locking ring made for the EK-Quantum Torque STC 10/16 and 12/16 series fittings. It is not a stand-alone product, requiring an existing Torque fitting's barb.

EK-Quantum Torque Compression Ring 6-Pack HDC 12 - Satin Gold 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.