Lansky Sharpeners Hammerhead Sharpener Carbide Ceramic Sharpener Bottle Opener 116518. This Knife Sharpener from the good people at Lansky Sharpeners measures 7 1/2" overall with red and black rubberized casing gray carbide and white ceramic sharpening inserts and also features bottle and tab opener. Don't buy a knife without the Lansky Sharpeners Hammerhead Sharpener. Specifications for Lansky Hammerhead Sharpener: Manufacturer: Lansky Sharpeners Color: Red/Black Overall Length: 7.38 in Weight: 0.41 oz Features of Lansky Sharpeners Hammerhead Knife Sharpener: 7 1/2" overall Red and black rubberized casing Gray carbide and white ceramic sharpening inserts Also features bottle and tab opener Hang packaged Package Contents: Lansky Sharpeners Hammerhead Sharpener Lansky Sharpeners 116518: Hammerhead Sharpener Carbide Ceramic Sharpener Bottle Opener