Sharpener Translucent Sharpening Stone AC88. This Sharpener Knife Sharpening System from the professional engineers at Sharpener is built using ridiculously strong materials and construction to provide you with an edge that will last as long as you do. For a great way to make sure you are using some of the best gear the knife community has to offer choose the Sharpener Translucent Sharpening Stone. Specifications for Sharpener Translucent Sharpening Stone: Manufacturer: Sharpener Handle Material: Leather Package Contents: Sharpener Translucent Sharpening Stone Sharpener AC88: Translucent Sharpening Stone