Hold your blade at the correct angle every time for a razor sharp edge. If you can sharpen a pencil, you can sharpen a knife with the Slide Sharp system. Patented barrel system holds your blade to take away all of the guess work on maintaining the optimal sharpening angle. Fine and course rods are included with two barrels for thin or thick blades. Base, cap, and springs are included all storing in a convenient case. Storage case: length 10.5", width 4.5", depth 1.5".