ITEM NAME:5 Pieces 5Amp 7.5Amp 10Amp 15Amp 20Amp and Add-a-circuit Fuse Tap Holder Adapter Description: Mini Add-A-Circuit Fuse Holder, Plug into an existing fuse holder. Provides one fuse holder to protect existing circuit, and a second fuse holder to protect new circuit. Provides 5AMP, 7.5AMP, 10AMP, 15AMP, 20AMP Fuse. Turns one Fuse slot into two-Plugs into any fuse slot , even if the slot has a fuse installed , this could provides protection for both circuits ,the existing circuits are not affected. Package Includes: 5 Piece Blade Fuse 1 Piece Micro 2 Add-A-Circuit Fuse TAP Adapter 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.Provides 5AMP, 7.5AMP, 10AMP, 15AMP, 20AMP Fuse. Provides one fuse holder to protect existing circuit, and a second fuse holder to protect new circuit. Turns one Fuse slot into two-Plugs into any fuse slot, even if the slot has a fuse installed, this could provides protection for both circuits ,the existing circuits are not affected.