- Efficient brake maintenance: This brake proportioning valve bleed tool effectively prevents valve snag and helps preserve the integrity of the brake system during maintenance tasks. - Locked low-pressure exhaust valve: Features a mechanism that locks the low-pressure exhaust valve, enabling optimal venting in PV2/PV4 systems for enhanced safety. - Sturdy metal construction: Made from high quality metal for durable performance and reliable operation when working on your vehicle’s brakes. - Compact and easy to handle: Blue design and compact size provide comfortable use, suitable for both professionals and DIY enthusiasts. Use scenarios - Bleeding brakes on vehicles equipped with PV2 or PV4 systems to achieve controlled venting and reduce risk of valve movement. - Routine brake maintenance where preventing valve snag helps protect brake lines and components. - In professional shops or home garages where space is tight and a compact tool is needed for brake servicing, caliper work, or line replacement.