Product Overview This Brake Master Cylinder Bleeder Kit is intended for brake bleeding tasks involving a master cylinder. The title identifies the kit as being with 12 Master Cylinder. Key Features Brake master cylinder bleeder kit Designed for brake bleeding tasks Identified as with 12 Master Cylinder Product Details Product Type: Brake Master Cylinder Bleeder Kit Configuration: with 12 Master Cylinder Frequently Asked Questions Q: What is the normal purpose of this kit? A: It is used for brake bleeding tasks involving a master cylinder. Q: What should I verify before purchase? A: Verify that the supplied with 12 Master Cylinder configuration matches your intended brake service application.