Here is a table that I find very useful to quickly reference the Spey line offerings by RIO. This table allows me to quickly find out the length of and grain weight of each line type/model including the MOW tips. I though I will share it here.
Here is the link to the pdf file in RIO website:
|RIO 2016 Spey Line Weight part 1|
|RIO 2016 Spey Line Weight part 2|
For those interested in RIO sink tip specifications, they are available here: