Overview Reviews Product Description A brake bleeder screw is a small valve located on the brake caliper or wheel cylinder. It allows air and old fluid to be purged from the brake system during bleeding, ensuring proper hydraulic pressure and braking performance. Papco Automotive Catalog Product Videos Custom Field Box quantity 5 Size 5/16-24X1.06" Product Reviews Write a Review Write a Review × Paulin 5/16-24 x 1.06" Type 1 Brake Bleeder Screw 5 Pc. 904-213 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *