This product is a Fuse Block from Littelfuse. It is a 1-pole, 10-amp thermoplastic fuse block with integral surge protection. It is designed for use with 5mm x 20mm fuses and features a positive contact system for a reliable connection. The fuse holder is space-saving, has a transparent cover for easy identification of fuse type and interruption, and is designed with two mounting screws for secure mounting. The terminal screw is designed to accept up to two (2) #10-32 AWG wire making installations quick and easy. It is UL98 listed and CSA certified. This product is suitable for use in a wide variety of applications, making it an ideal choice for any cost-sensitive application.