Fast track taper roughing stone

Roughing taper stone for the Fasttrack sharpening system.|2.5 degree taper to give intermediate angles of 22.5/27.5 degree and 27.5/32.5 degree when used with the Fasttrack sharpener, or Fastrack knife sharpener.|Monycrystalline diamond with unique Diamond Cross relief pattern which gives optimal abrasion rates to maximise sharpening efficiency and reduces clogging.|Diamonds are held by Nickel plating to a steel substrate, with ABS plastic base.