The Edge Pro Apex knife sharpener kit is a patented wet stone sharpening system that will sharpen any size or shape blade (up to 3 ½" wide)

A Jasper micro-quartz structure consists of fused crystal grains of different sizes

Sigma Power Ceramic stones are not available in wide range of grits

T2 5 stones T2 150

The working surface is curved

chosera narrow stone edge pro Grit:10000 The Edge Pro Apex knifeChosera sharpening stones are used for sharpening knives on Hapstone and Edge Pro knife sharpeners. Chosera is a high end series from Naniwa made of aluminum oxide with the magnesia binder. The magnesia binder gives Chosera excellent sharpening quality and performance, and high wear resistance. Narrow stones (12 mm wide) are suitable for recurved blades. All Chosera stones are 6 mm thick and are mounted on high quality aluminum blanks. Chosera series