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 M8-1.00X37.3 Product Reviews Write a Review Write a Review × Paulin M8-1.00 x 37.3mm Type 1 Brake Bleeder Screw 5 Pc. 904-216 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *