Savarez Bass Strings

[Supernaut]

Savarez have a pretty extensive history in string making. I have never tried their bass strings but have heard good things. 
 

Does anyone use these regularly and can offer an opinion? @Strings Direct have these for sale although £30 seems a little steep. 
 

https://www.stringsdirect.co.uk/collections/bass-guitar-string-sets/products/savarez-explosion-nickel-wound-45-105-bass-guitar-strings?_pos=22&_fid=74a5a3293&_ss=c