Using the pneumatic brake fluid changer tool is and user-friendly. Attach the brake bleeder bottle and tube to the brake master cylinder bleeder kit, and activate the pneumatic vacuum bleeder. The pressure brake bleeder kit will then draw out the old brake fluid and replace it with new fluid, ensuring a complete and thorough brake fluid change. This car brake bleeder tool is ideal for both DIY car enthusiasts and professional mechanics looking to their brake maintenance process. Features -Color:Multi -Material:PP -Size:27.00X18.50X12.00cm/10.61X7.27X4.72in -Size:120.00X2.00X2.00cm/47.16X0.79X0.79in -Size:4.10X4.10X2.98cm/1.61X1.61X1.17in -Size:3.92X3.92X3.00cm/1.54X1.54X1.18in -Size:3.30X3.30X1.19cm/1.30X1.30X0.47in -Size:3.29X3.29X3.00cm/1.29X1.29X1.18in -Size:7.20X2.00X1.80cm/2.83X0.79X0.71in -Size:4.80X0.50X0.50cm/1.89X0.20X0.20in -White buckle inner diameter: 11.9 mm, 12 mm; white stick diameter: 5 mm; black diameter: 6 mm and 6.4 mm; bleeder connecting part diameter: 20.8 mm, 7.7 mm -Handsfree operation: automatically extracts and drains brake fluid without the need for manual intervention, making the process effortless -Multicompatibility: designed to work with a wide range of car brake systems, allowing for the replacement of various brake fluid types -Rapid performance: efficiently changes brake fluid in a short amount of time, enhancing productivity -Pneumatic safety: employs pneumatic technology for easy and secure operation, ensuring fluid replacement - material: constructed from reliable pp material, ensuring longevity and consistent performance over time Package list: 1 x brake bleeder tool 6