Easily install a bleeder screw anywhere in your brake or clutch system! This special M10x1.0 banjo bolt has a 1/4-28 bleeder screw so you can bleed air out of the system directly at the master cylinder instead of pumping the air all the way through to the caliper. The shank of this bolt measures 20mm (0.77") long. Plated mild steel construction is suitable for brake systems. Sold individually. Copper Crush Washers (Part No. 3241-3/8) sold separately.