Remove the assembly screw

The central part features the three-point guide similar to Hapstone V7 knife sharpener

AM-K 220 grit is in great demand for the rough sharpening of knives and is included in all Boride stone bundles

It creates no heat

Suehiro W8 8000 sharpening stones are used for finish sharpening knives on Hapstone and Edge Pro knife sharpeners

slide guide for edge pro apex Remove the assembly screwSlide Guide gives you 2 points of contact on the knife. This improves blade stabilization and allows quicker, more repeatable blade placement. One piece extends from one edge of the blade table to the other, while the center piece slides back and forth independently and can lock into position to accommodate a wide variety of blade shapes and sizes. It works well by itself, but when combined with a magnetized blade table it makes sharpening on the Edge