Material: Nickel- plated brass Product Type: computer angled fitting (90°) with G1/4' threads. Application: Adapter allows connection of g1/4 fitting to custom water loop pc. Threads: G1/4' BSP; 5mm male thread length- G1/4' BSP, 6mm female thread length Outer diameter of a knurled part: 17.9mm - Installed height: 28.9mm