Versatile standard blade fuse holder than can be used singularly and also clipped together to form a fuse block. They can be clipped end to end, side to side or in a block as shown in the pictures. 

Assembly may need final, gentle joint seating with a small nylon hammer, once the blocks are clipped together, be aware they are hard to get apart.

Spare terminals for this fuse holder are our part number 3-4647

https://polevolt.co.uk/terminal-for-fbs1u66--fha9-fuse-holders-3-4647-242-p.asp