(please see the last pics). Its deliberately cut to the Apex size standard (6.5x2.3x1.5cm/2.56x0.9x0.6). Should be used with water or soapy water. Compatible with Edge Pro and Hapstone. Working surface 152 x 25 x 6 mm, mounted on aluminum blank.Item Weight: 2.88 ounces. Product Dimensions: 6.3 x 1 x 0.4 inches. Lumina and Silicon carbide (Resin-bond). Abrasive particle size in microns. I also have BRAND NEW 1.5K, 30K grit Shaptons Edge Pro for sale, please inquire. Any stone combination is possible please let me know what particular stones you need, I will give you a quote! The item "BRAND NEW Shapton Pro (Kuromaku) Sharpening 8 Stones Set /120-12000 for Edge Pro" is in sale since Tuesday, March 20, 2018. This item is in the category "Home & Garden\Kitchen, Dining & Bar\Kitchen Tools & Gadgets\Sharpeners". The seller is "beststoreonline4u" and is located in Kiev. This item can be shipped worldwide.