The product description of M10 wire harness is as follows: Specifications: Project model: M10 (3/8 inch) aperture connection, compatible with x-connect Color: Black, Red Material: Tin plated copper, PVC Package includes: 2 wire harnesses+2 replaceable matching fuse tubes This wiring harness is compatible with a range of models, including G750, G1100, G3500, G7200, and G4, as well as GENIUS2X2, GENIUS244, GENIUS1, GENIUS2, GENIUS5, and GENIUS10. Not compatible with Boost or Boost X UltraSafe lithium jump starters Technical specifications: This harness features M10 (3/8 inch) hole diameter connections and 24 inch wire length, providing multiple connection options for various applications. Kind reminder: For manual measurement, please consider that there may be corresponding errors for small sizes. Due to differences in monitors, there may be slight variations in color. Advanced connector: adopting a flat design, seamless installation, M10 (3/8 inch) hole size, easy to install. The built-in 20A micro blade fuse enhances safety and protection, while the sturdy and waterproof connector ensures optimal performance in any environment.