The Goodridge 'Speed Bleeder' is the perfect solution for eliminating the tedious, time consuming and repetitive job of bleeding brake systems, by simply replacing the existing bleed nipples.Perfect Solution To A Tedious JobReplaces Existing Bleed NipplesZinc Plated Mild SteelVarious Thread Sizes AvailableTheir unique design incorporates a one way valve preventing air entering back into the system and eliminates the repetitive process of tightening and un-tightening. Simply un-tighten the 'Speed Bleeder' 1/4 of a turn and pump the brake lever/pedal until the system is free of air and tighten!Sold Individually