1、Multipurpose: You can use this dual slot fuse holder when adding LED strips, radar detectors, dash cams, or any other electronic that requires direct wiring into the fuse box without cutting or splicing. 2、Superior Quality: All of them are made from materials, good bending performance, melting resistance and excellent electrical conductivity, durable and practical for your DIY application. 3、Dual Slot Fuse Holder: Provides 1 fuse holder to protect existing circuits and a second fuse holder to protect new circuit, blue flexible socket tail, very easy to connect to any naked wires by only use a vise. 4、Easy e: No need to cut or splice wires to install your electronic accessories, convenient and easy to add an extra power or connection to the fuse box. 5、Wide Compatibility: 3pcs mini fuses adapter with 5 Amp mini blade fuse fits for Korean Cars; 4pcs mini fuse adapter with 15 Amp mini blade fuse fits for Japan and Cars; 3pcs standard fuse adapter with 5 Amp standard blade fuse fits for European Cars.