KME Precision Knife Sharpener System with 4 Gold Series Diamond Hones - Base Included Newest KME Kit as of June 2015 with Base Included 4 Gold Series KME 1x4 diamond hones - 140 extra-coarse, 300 coarse, 600 fine and 1500 extra fine Spherical bearing rod guide for zero angle deviation and smooth sharpening motion Continuous angle adjustment from 17 to 30 degrees - marked in 1 degree increments Very portable - stores in included hard carry case.