EK-Quantum Torque Micro Plug - Nickel is a premium small-form-factor Quantum G1/4\" plug for closing the unused ports on your water cooling equipment.These plugs are ideal for close ports where traditional plugs take too much space, for SFF builds, or when you want the cleanest look possible with less visible plugs. EK recommends tightening the plug by hand.Made from nickel-plated CNC machined brass. Sealed with quality rubber O-ring.Technical data:- Threading: G 1/4\"- Thread length: 4.5mm- Diameter: 16.5mm- Installed height: 7mm