Features: 1. Application range-specially designed and repaired type 86/type 118 switch socket cassette junction box. 2. Easy to use-Tighten the upper and lower nuts with a small wrench to fixes them in the cassette. 3. Effectively prevent loosening-High hardness metal material,hard nail head,nail head makes the repairer strong fixed,effectively preventing looseness. 4. Anti-rust and anti-corrosion-stainless steel screws have extended anti-rust and anti-corrosion function. 5. Save space-does not take up space and can be stored well. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Material: metal Standard size: Type 118: Adjustable range 48-58mm Type 86: adjustable range 66-85mm includes: 10 x cassette repairer 10 x long screws 1 x spanner