J Case Jcase Type 40 Amp Standard Fitting Fuse Cartridge Car Auto Wire Cable | eBay
DaierTek 12 Gauge Inline Fuse Holder 12V, ATO/ATC in Line Fuse Holder 12 Volt Waterproof with 30 Amp & 40 Amp Medium Blade Fuse for Marine Car Automotive- 10pcs : Amazon.co.uk: Automotive