Top Shelf’s 240/800 grit whetstone is highly durable and perfect for just about any application involving abrasive machining such as grinding and honing knife edges and then finishing them. This quality whetstone has double sided functionality – 240 grit and 800 grit, along with a non-slip silicon base. The dual grit makes it ideal for a range of uses – The 240 grit is ideal for edge restoration and the higher grade 800 grit provides the sharp finish. Whatever your need – from sharpening chef’s knives, crafting scissors, and gardening tools such as secateurs and cutters – this premium whetstone will get the job done. This product is not suitable for serrated edged knives.