KS-1
26*5cm suitable for 9-10 Inches knife
KS-2
19.5*5.5cm for santoku/kiritsuke knife
KS-3
22*5.5cm suitable for 8" chef knife or santoku knife
KS-4
19.5*7.8cm suitable for cleaver knife
KS-5
13.5*3cm suitable for 5-6" paring knife/small santoku knife
KS-6
16.5*3.5cm for silcing knife/bread knife
KS-7
16.5*4.5cm for boning knife/steak knife
KS-8
21*3.7cm for bread knife/slicing knife