4 strong neodymium magnets (pull force 15

You can find Soft and Hard Arkansas stones in a Grit Chart

cake knives

two grits that differ by a specific ratio will be a fixed distance apart on the vertical axis of the chart whether they are 1

Cerax series does not compose the set of even progression but offers "repository" of premium stones to make a custom stone set

empty aluminum blankd 6 x 1 pack of 5 bestseller 4 strong neodymium magnets (pullAluminum Blanks 160 x 25 x 3mm are used to mount 6" sharpening stones for guided knife sharpeners. Blanks are made of high quality 3mm thick aluminum with 45 degree bevels (Edge Pro form factor). One pack includes 5 empty blanks.