3 x SYNERGISTIC RESEARCH SR20 13A MAINS FUSES.
Only 1 box supplied as pictured. Bought second hand**quite a few years ago, unfortunately the condition they are in was the condition they were bought in, all fully working just don't look great.*The seller was a bit of an ass sadly.
Review here
Price per fuse: £20 Take all 3 will do for £50 with free shipping. Local pickup welcome. Location: NW London