Rough whetstone:
Dark color side(Rough Grain Whetstone#400):
For removing large chips or dents,heavy rust and imperfections,creating a razor sharp edge;

Bright color side( Medium Grain Whetstone#1000):
For most typical, everyday little damage, making the blade more sharp and good shape;

Fine whetstone: White Fine Grain Whetstone #3000:
Both sides for fine tuning and a super-sharp and shining finish

Rough whetstone:
Length: 7"
Width: 2 5/16"
Thickness: 1 3/16"
Fine whetstone:
Length: 7"
Width: 2 5/16"
Thickness: 9/16"
Package weight: 3 lbs