Description: This In-line Fuse Holder Designed for Turn one slot into two. Plugs into occupied or vacant energized fuse block slot. Provides one fuse holder to protect existing circuit, and a second fuse holder to protect new circuit. Used as a replacement fuse in newer vehicles,Color coded for easy identification. 12 Pieces 5/10/15/20/25/30Amp Mini Fuses & 5 Pieces Add-a-circuit Fuse TAP Block Holders. Specification: Material: Plastic and Metal Size: Approx 18cm*2.1cm*1.2cm Volts: 32V Style: Mini Blade Fuse Housing:Thermoplastic PC Amps: 5/10/15/20/25/30A Fuse included Wire Size: 16 Gauge Package Includes: 5 Pieces Fuse Holder 2 Pieces 5Amp Fuses 2 Pieces 10Amp Fuses 2 Pieces 15Amp Fuses 2 Pieces 20Amp Fuses 2 Pieces 25Amp Fuses 2 Pieces 30Amp Fuses(4 Pack) Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.