On the subject of Shockleader.
This depends the terrain you intend to fish.
1. .55- .70 for edibles from surf
2. .75 - .90 for bigger edibles from surf
3. .90 - 1.6 for in-eds from surf and bricks(rocks)
The cheaper option would be the Kingfisher leader line(from R19 to R59)
Then you have the more expensive lines.