If you are after sharks then Mason 49 Strand Wire is the wire to use. Soft and kink resistant it is a joy to use and will handle any shark in the UK
The 90lb (21strand (3 x 7)) and the 175lb are excellent for tope and far better than nylon coated wire as this Mason wire is far less inclined to get kinked by any encounters with dogfish and small eels
Sold in 30′ coils
Diameters are:
175lb – 0.036″ or 0.915mm
275lb – 0.045″ or 1.143mm
480lb – 0.062″ or 1.575mm
This wire works well with the following crimps
90lb – Mason #21 or brass #2
175lb – Mason #21 or brass #3
275lb – Mason #21 or brass #4
480lb – Mason #51 or 250lb alloy.