ITEM NAME:G1/4 Inner Outer Dual Thread 90 Degree Rotary Water Tube Connector Black Adapter Product Description Description: Features: Thread specification: G1/4 (2 points), the actual outer diameter is 12.9MM Material: Brass Surface treatment: chrome plating Seal: with silicone sealing ring Color: Black Role: conversion joints, water reversing, soft and hard pipes can be used to note: This is only the conversion joints, excluding pipe joints, pipe joints need to match! Weight: 37G deviation 0.1-0.2 Included: 1 X PC Water Cooling Tube Adapter.Note: This is only the conversion joints, excluding pipe joints, pipe joints need to match! Included:1 X PC Water Cooling Tube Adapter. Seal: with silicone sealing ring. Role: conversion joints, water reversing, soft and hard pipes can be used to.