The X blanks are the SCII series and are great blanks. The SCIII series are excellent blanks!
If you want the best dock skipping / flipping rod, get the handle #1 .... 9” of butt section starting at the rear of the seat. 7’ MH
I build rods, I have tried to build a rod for skipping docks to match the performance of the St. Croix SCIII 7’ MH and can not, there’s something about the backbone of the blank that I can not find in any other brand. It fits my style of skipping docks. I use a very hard underhand sweep when skipping docks.http://stcroixrods.com/products/freshwater/bass-x