I used to use an Edge Pro, but have gone exclusively freehand. These are two stones I bought as spares and never used.
Unused, 7mm thick, mounted on Edge Pro blank.
2K; Shipping and PayPal included - $25
5K; Shipping and PayPal included - $30
Buy both for $50
Muddy water is best cleared by leaving it alone.
Wow surprised these are still here.
Chewie's the man.