Rolling Knife Sharpener with Adjustable 10° to 40° Options and

Rolling Knife Sharpener with Adjustable 10° to 40° Options and Adjustable Grinding Height, Knife Sharpener Kit, Roller Knife Sharpening System Material Diamond, Ceramic Brand Parkway Home Color Black and Blue Product Dimensions 4"L x 3"W x 4"H Grit Type Diamond Plates comparable to #400 and #800 whetstone, Ceramic Plate at #1000