The 3M Stikit system with abrasive on a 55-in. roll, coupled with their 2-1/2-in. or 3-1/4-in. wide sanding block with built-in magazine has to be the greatest abrasive system ever invented for hand sanding. I have done, and do, A LOT of sanding over 40 years of woodworking and home improvement projects, and have used the Stikit products since I discovered them 15 years or so ago. Like all of 3M's better abrasives, the Stikit sandpaper rolls hold up very well for tough sanding jobs. Having the built in roll of sandpaper available, for me, means never stopping to change out paper, cutting it to size, etc. Otherwise, this will be my first order from Woodworker Express so hope all goes well.