You are buying on 100% Brand New of FEATURES: Precision machined from billet aluminium Knob adjuster allows for precise adjustments Accurate and fast response Inlet Outlet ports are 1/8NPT industry standard size for brake lines USE 100PSI - 1200PSI pressure range Suitable for motorsport use Enhances control under braking Greatly aids turning under braking Supplied with instructions QTY: 1PCS same as the picture Professional Installer Is Highly Recommend(No Instruction Included)** IMPORTANT INFORMATION ** Picture purely for illustration purposes only. All items are Brand New unless stated otherwise on the listing. We sell DIY (Do It Yourself) Items with a few exceptions. We take no responsibility in teaching you how to install. Professional installation is strongly recommended.