EK-Quantum Torque 6-Pack HTC 16 is a fitting multipack containing six EK-Torque HTC fittings. These are EK's premium 16mm hard-tube compression fittings designed for use with solid tubing such as Acrylic and PETG. With a non-intrusive, yet striking look, and with NO added branding at all. They can be complemented by interchangeable aesthetic color rings, and are an ideal choice for anyone and a perfect match with EK-Quantum series products. To make sure they are undamaged in transport, they are packed in a box cushioned in black foam.