Kitchen Gizmos Knife Sharpener - Buy One Get One Free - 2 Stage Diamond Coated Sharpening Wheel Technology PREMIUM QUALITY - Innovative dual diamond wheel fixed angle slots that allow you to simply pull the knife back and forth. NO ceramics or carbides. High quality ABS plastics with a durable stainless steel finish, best lifetime guarantee SAFETY - Silicone anti-slip bottom for sharpening support and a large handle make sure you can sharpen your knives safely and comfortably. Bidirectional sharpening allows for safe back and forth motion of knife in the fixed angle diamond wheel slots. EASY TO USE - Solid fixed angle slots, a large comfortable handle and stable base makes sharpening safe & easy. No worries about only pulling in one direction. SUPERIOR DESIGN - Course and fine sharpening slots with an intuitive design allow for initial basic sharpening followed by fine honing of the blade. Bidirectional sharpening makes it good for lefties and righties. GET HEALTHY - Sharp knives make vegetable cutting easy and do less damage to vegetables and herbs. Eating more vegetables goes hand-in-hand with low carb, Paleo Raw food and Gluten Free diets promoting weight loss - more vegetables and fewer carbohydrates will lead to a happier, healthier lifestyle for you and your family.