Zwilling's V-Edge Knife Sharpener is a serious straight-edge knife sharpener that's also seriously easy to use. Simply set your knife in at the heel and pull it through! The manual design V-Edge houses two 4-sided ceramic sharpening rods that give whetstone-like results without making you stress about angles. The V-Edge adjusts with the included angle adapter, so it is ideal for both European and Asian dual-bevel edges. This countertop model measures 7.8" l x 3.2" w x 8.25" h, includes long-wearing ceramic sharpening rods, and can be used for coarse and fine sharpening, all with a simple pull-through operation. Not for use with serrated edge knives. Features of the Zwilling V-Edge Knife Sharpener include: Easy to use, pull-through design Angle adaptor accommodates both European and Japanese blades Ceramic sharpening rods allow for fine and coarse sharpening Results are similar to using a whetstone Sharpening of both sides and full length of blade Not for use with serrated edges 7.8" l x 3.2" w x 8.25" h