Achieve extra fine grinding results with the Horl 3 whetstone. Designed to follow up on the HORL ® diamond grinding disc, these corundum whetstones refine the sharpness of high-quality knives to perfection. The extra fine grit corundum disc provides an extremely smooth cutting edge, making your knives sharper than ever. Compatible with HORL ®3 and HORL ®3 Pro, the innovative HORL ® Quick Lock system allows for easy exchange of grinding discs, unlocking new levels of sharpness without the need for water.