【Material】: 3/4" Trailer brake master cylinder is made of metal material, strong and wear resistant, ensuring long term performance and reliability【Easy to install】: 3/4" Hydraulic master cylinder, high reliability and performance, you can directly replace old or damaged parts【Quality】: Hydraulic master cylinder, professional manufacturing, stable performance and long service life【Size】: Packing size 24 cmx16 cmx8 cm/9.45 inchx6.30 inchx3.15 inch, bolt hole to hole: 6 cm/2.36 inch【Please note】: Please check the picture carefully to make sure it is the right product for youSpecification:Material: MetalBolt hole to hole: 60 MMSize Chart:Package Size: 24 cmx16 cmx8 cm/9.45 inchx6.30 inchx3.15 inchPackage Includes:1 Brake Master CylinderNote:Please allow slightly errors 1-2cm differences due to manual measurement.