About This Durable monocrystalline diamonds coated full tang stainless steel. The diamond coating of this product has a very high hardness. It can sharpen all your tools like new ones. Coarse 325 grit (45 micron) for quick edge setting; Extra fine 1200 grit (12 micron) for honing. 2 sharpening surfaces to meet your different sharpening needs No oil is needed-sharpen dry. Simplify the sharpening process without the need for preparation or troublesome cleaning up. The ergonomically designed grip, along with 20째 angle guides on both sides, makes your use more effortless and comfortable 3 YEARS of Commitment and Superior After-Sale Service: SHARPAL, headquartered in California, USA, with branches in Germany and Australia, provides easy and effective sharpening solutions. All products undergo rigorous testing to ensure top-tier performance and durability. Overview Material : Monocrystalline Diamond Brand : SHARPAL Color : Black Product Dimensions : 8.46"L x 1.38"W x 0.51"H Item Weight : 150 Grams Grit Type : Coarse,Extra Fine Number of Items : 1 Manufacturer : Sharpal Inc. UPC : 814744020435 814744020718