With the HORL® Premium Set, you take your knives to a new level of sharpness and precision. The Whetstone Fine and Extra Fine sharpening discs perfect the result of the standard diamond and ceramic discs, providing an extra smooth cutting edge. As a final step, the HORL® Leather stropping disc ensures a professional, polished finish. Perfect for those who want to get the most out of their HORL®3 or HORL®3 Pro. Suitable for the HORL® 3 and HORL® 3 Pro. Not compatible with the HORL® 3 Cruise and HORL® 2 rolling sharpeners.