EVERYTHING FOR THE FINISHING TOUCH With the HORL3A(R) Premium Set, you reach a whole new level of sharpness for extremely precise cutting. The HORLA(R) Whetstone Fine and Extra fine further refine the result of the standard diamond and ceramic discs and ensure a smooth cutting bevel. The HORLA(R) Leather provides a professional finish as a final touch. Contains 3 Sharpening Grits HORL 3 Whetstone - Fine HORL 3 Whetstone - Extra Fine HORL Leather Suitable for the HORL 3 and HORL 3 Pro. Not compatible with the HORL 3 Cruise and HORL 2 rolling sharpeners.