The LS-502 with Fuse Holders 5.2*20 RoHS manufactured by Lanson is an electronic part specific for automotive applications. It is a small, black plastic holder with two 5.2*20 screw-in fuse clips, which fit standard automotive fuses. It is RoHS Compliant, meaning it meets standards of environmental safety and is free from dangerous substances such as lead, mercury, and cadmium. The LS-502 is designed to provide electrical protection for automotive circuits, and it is rated for up to 50A of current. It is easy to install, and requires no soldering or additional wiring.